If the Philippians’ greatest internal threat was disunity, their greatest external threat was false teaching. Since the earliest followers of Jesus were Jewish, the method for allowing Gentiles entrance to the church became a battleground. Judaizers were Jewish Christians who claimed that Gentiles must first become Jews in order to become Christians. Paul argued that Gentiles could become Christians without first undergoing circumcision (Gal 5:2–6). The notion that God accepts people by faith without