In the Roman world, religion was seldom private.
The gods belonged in the household, at public festivals, in professional associations, and at meals shared with friends and patrons. Sacrifices expressed gratitude. Offerings fulfilled obligations. Participation helped hold families and communities together.
A person could honor several gods without feeling any contradiction. Another deity might be added to the household shrine or invoked for a particular need: healing, childbirth, safe travel, prosperity, or protection at sea.
The difficult step was not beginning to honor a new god.
It was turning away from the old ones.
For a gentile who became a follower of Jesus, conversion could therefore affect far more than personal belief. It could unsettle family relationships, business connections, friendships, and a person’s place within the community.
Faith might bring a new belonging.
It could also put an old belonging at risk.
Conversion in a World of Many Gods
Modern Christians often think of conversion as a change in inward belief: a person accepts a set of truths, begins attending a church, and adopts a different understanding of God.
Ancient religion was more visibly woven into ordinary life.
A family might maintain a household shrine and honor the gods associated with its ancestors. A trade or voluntary association could hold meals that included offerings to a patron deity. Civic festivals joined worship, entertainment, commerce, and loyalty to the city. Meat served at a banquet might have come from a sacrifice.
Participation did not necessarily require intense personal devotion. It was often simply what a good family member, neighbor, client, or citizen did.
Most people in the Greco-Roman world were accustomed to religious variety. They did not ordinarily insist that only one god existed or that honoring one deity required abandoning all others.
The message proclaimed by Paul introduced a more difficult allegiance.
Writing to the Thessalonians, he described how they had “turned to God from idols to serve a living and true God.” This wasn’t merely the addition of Jesus to an existing collection of divine powers. It involved a turning—a refusal to continue treating other gods as rightful recipients of worship.
That refusal could be misunderstood as ingratitude, disloyalty, or contempt.
The Cost Within a Household
The Roman household included more than a husband, wife, and children. Depending upon its size and wealth, it might include relatives, enslaved workers, freed people, employees, and clients.
Religion helped bind that household together.
The head of the household bore responsibility for its public standing and religious obligations. Festivals, offerings, family ceremonies, and shared meals affirmed continuity with ancestors and loyalty among the living.
What happened when one member stopped participating?
A converted wife might decline a rite her husband considered necessary for the family’s well-being. A son could refuse to honor the gods his father had taught him to revere. An enslaved Christian might be ordered to assist in a sacrifice or carry out duties in a household shrine.
The resulting conflict was not necessarily about abstract theology. To the family, refusal might appear stubborn, shameful, or dangerous.
What if neglecting the gods brought illness, financial loss, or infertility? What if neighbors began asking why one member of the household would not participate? What if the family’s reputation suffered?
One person’s new faith could be experienced by everyone else as a rejection of the household itself.
The Cost of Friendship and Patronage
Ancient people depended upon networks of relationship.
A patron might provide employment, legal assistance, introductions, protection, or financial help. Clients demonstrated loyalty through service, attendance, public support, and respect. Friends strengthened those relationships through hospitality and shared meals.
Religion was often present within those exchanges.
A banquet might honor a god. A professional gathering might begin with an offering. A patron could sponsor a festival or invite dependents to participate in a celebration connected with the emperor or a local deity.
A Christian who declined could cause embarrassment.
One refusal might be overlooked. Repeated refusal could appear insulting. The person might no longer be invited, recommended, or trusted. Opportunities could disappear without any formal punishment being announced.
No magistrate needed to issue an order.
A customer went elsewhere. A patron stopped calling. A familiar door no longer opened.
The cost of conversion could arrive through quiet exclusions.
The Cost of Earning a Living
Religion and commerce were not separate worlds.
Craftspeople produced objects used in worship. Merchants sold animals, incense, food, oil, garlands, lamps, and other materials needed for sacrifices and festivals. Professional associations gathered for meals and honored protecting deities.
Not every occupation created a direct conflict for a Christian. Paul himself worked with his hands, and early Christian communities included people who continued in ordinary trades.
But certain situations required difficult decisions.
Could a craftsperson make an object intended for worship? Could a merchant participate in a guild meal held in a god’s honor? Could a household servant obey an order connected with sacrifice? Could a civic official carry out religious duties attached to public office?
Paul’s extended discussion of food offered to idols in 1 Corinthians shows that these questions did not have simple answers. Believers had to consider worship, conscience, community, and the effect of their choices upon others.
Conversion did not automatically remove someone from the economy.
It could make participation more complicated.
The Cost of Civic Belonging
Roman cities did not divide religion and civic life as modern Western societies often try to do.
Public rites expressed gratitude to the gods believed to protect the community. Honors given to the emperor and his household could communicate loyalty to Roman order. Festivals strengthened local identity and gave citizens opportunities to display generosity and status.
A person who withdrew from these practices might appear to benefit from the gods’ protection while refusing to contribute to the obligations that secured it.
This did not mean that every first-century Christian immediately faced arrest. When Paul reached Philippi around AD 50, there was no empire-wide law outlawing Christianity and no organized imperial campaign against Christians.
Most pressure would initially have been local and relational.
Family members could object. Neighbors could become suspicious. Patrons could withdraw support. Crowds could be stirred by accusations that unfamiliar customs threatened civic order.
Acts 16 shows how quickly such an accusation could become dangerous.
The owners of the enslaved diviner did not tell the magistrates that Paul had destroyed their income. They accused Paul and Silas of disturbing the city and advocating customs unlawful for Romans to adopt.
Their charge succeeded because it appealed to something larger than a private financial loss.
It suggested disloyalty to the community.
What Do We Know About Philippi’s Believers?
Acts identifies several people connected with the beginning of the Philippian church.
Lydia was a worshipper of God before she heard Paul. Her prior association with Jewish worship may have made her response different from that of a gentile abandoning traditional gods for the first time.
The jailer and his household entered the community after the earthquake. Acts doesn’t tell us what religious practices they had previously followed or what changed in their daily relationships afterward.
The unnamed enslaved diviner is released from the spirit associated with her fortune-telling. Acts doesn’t say that she became a Christian, joined the church, or received legal freedom.
Beyond these individuals, Luke tells us very little.
Paul’s later letter shows that the Philippian believers encountered opposition and suffering. He urged them to remain united and stand firm without being intimidated. But he does not give us a list of lost friendships, family disputes, or economic consequences.
We know pressure existed.
We should be cautious about pretending we know exactly what form it took for each person.
What Conversion Gave
Conversion could cost an early Christian deeply, but loss is only half the story.
The new communities created by Paul called one another brothers and sisters. They shared meals, offered hospitality, collected money for people in need, and cared for believers in other cities. People who lost standing in one network could find belonging in another.
These congregations were not free of conflict. Paul’s letters make that clear. Differences of status, ethnicity, wealth, and background did not disappear when people were baptized.
But the communities were learning to imagine relationships differently.
An enslaved person and an owner could hear the same letter read aloud. A wealthy merchant could open her home to travelers. Jews and gentiles could share a table. People formerly separated by law or custom addressed one another as family.
Conversion did not simply remove a person from an old world.
It placed that person within a new and sometimes difficult community.
Trust still had to grow. Habits had to change. People had to learn what their new allegiance required of them—and of one another.
Mynestra Between Two Communities
In Oracle of Philippi, I imagine the unnamed diviner of Acts as Mynestra.
Her circumstances make the cost of conversion unusually complicated. She does not possess the legal freedom to walk away from her owners. Her oracular identity has provided them with income and given her a recognized, if carefully controlled, place in Philippi.
When that identity disappears, she loses more than a religious role.
Her owners no longer see the same value in her. People who once sought her words may avoid her. Those devoted to Apollo may regard her change as rejection or betrayal.
Yet entrance into the Christian community is not effortless either.
The believers know what she has been. If she begins speaking prophetically among them, they must discern the source and meaning of her words. Their caution may be understandable, but to Mynestra it feels like another form of exclusion.
This is the novel’s imaginative reconstruction. Again, Acts does not tell us that the young woman converted or what either pagans or Christians thought of her afterward.
Her story allows me to explore a historically plausible question: What might conversion cost someone whose livelihood, identity, and relationships were all bound to the religious role she left behind?
When an Old Belonging Is Lost
Conversion in the Roman world could bring conviction, hope, forgiveness, and a new community. It could also produce uncertainty.
A convert might know what she could no longer do before she understood what her new life would become. The old relationships didn’t always disappear at once. Some changed gradually. Others became strained only when a particular meal, ceremony, or obligation forced a choice.
The cost wasn’t necessarily a public denunciation. Sometimes it was a missing invitation. A conversation that stopped when someone entered. A patron who became less generous. A family member who wondered what had gone wrong.
To become a Christian was to enter a community shaped by a new allegiance. But it did not immediately release a person from every obligation, expectation, or memory formed in the old one.
Faith could begin in a moment.
Learning how to live within it took time.
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In Oracle of Philippi, Mynestra leaves the religious role that once gave her a place in the city. Her old community no longer knows what to make of her, while her new community is not yet certain it can trust her.
Read When the Old World Lets You Go
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Mynestra’s struggle to live between an old identity and a new allegiance lies at the heart of Oracle of Philippi.
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