Philemon 1:2
To Philemon our beloved fellow worker, and Apphia our sister, and Archippus our fellow soldier, and the church in your house — Philemon is identified as agapētos (beloved) and synergos (fellow worker), establishing him as Paul's partner in gospel labor. Apphia (likely his wife) is synadelphē (sister in Christ), incorporating women explicitly. Archippus is synstratiōtēs (fellow soldier), using military metaphor for spiritual combat. The house church (ekklēsia kata ton oikon sou) grounds early Christianity in domestic space, the locus of apostolic authority and communal identity.