1 Corinthians 7:19-24

Circumcision is nothing, and uncircumcision is nothing, but what matters is the keeping of the commandments of God. Each man must remain in that condition in which he was called. Were you called while a slave? Do not worry about it; but if you are able also to become free, rather do that. For he who was called in the Lord while a slave, is the Lord’s freedman; likewise he who was called while free, is Christ’s slave. You were bought with a price; do not become slaves of men. Brethren, each one is to remain with God in that condition in which he was called.