Deuteronomy 15:16-17
But if your servant says to you, ‘I do not want to leave you,’ because he loves you and your household and is well off with you, / then take an awl and pierce it through his ear into the door, and he will become your servant for life. And treat your maidservant the same way.

Leviticus 25:39-42
If a countryman among you becomes destitute and sells himself to you, then you must not force him into slave labor. / Let him stay with you as a hired worker or temporary resident; he is to work for you until the Year of Jubilee. / Then he and his children are to be released, and he may return to his clan and to the property of his fathers. ...

1 Samuel 12:19
They pleaded with Samuel, “Pray to the LORD your God for your servants so that we will not die! For we have added to all our sins the evil of asking for a king.”

Jeremiah 34:9-10
that each man should free his Hebrew slaves, both male and female, and no one should hold his fellow Jew in bondage. / So all the officials and all the people who entered into this covenant agreed that they would free their menservants and maidservants and no longer hold them in bondage. They obeyed and released them,

Nehemiah 5:5
We and our children are just like our countrymen and their children, yet we are subjecting our sons and daughters to slavery. Some of our daughters are already enslaved, but we are powerless to redeem them because our fields and vineyards belong to others.”

2 Kings 4:1
Now the wife of one of the sons of the prophets cried out to Elisha, “Your servant, my husband, is dead, and you know that your servant feared the LORD. And now his creditor is coming to take my two children as his slaves!”

Isaiah 50:1
This is what the LORD says: “Where is your mother’s certificate of divorce with which I sent her away? Or to which of My creditors did I sell you? Look, you were sold for your iniquities, and for your transgressions your mother was sent away.

Matthew 6:24
No one can serve two masters: Either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve both God and money.

Luke 16:13
No servant can serve two masters. Either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve both God and money.”

Romans 6:16
Do you not know that when you offer yourselves as obedient slaves, you are slaves to the one you obey, whether you are slaves to sin leading to death, or to obedience leading to righteousness?

1 Corinthians 7:21-23
Were you a slave when you were called? Do not let it concern you—but if you can gain your freedom, take the opportunity. / For he who was a slave when he was called by the Lord is the Lord’s freedman. Conversely, he who was a free man when he was called is Christ’s slave. / You were bought at a price; do not become slaves of men.

Galatians 4:7
So you are no longer a slave, but a son; and since you are a son, you are also an heir through God.

Ephesians 6:5-8
Slaves, obey your earthly masters with respect and fear and sincerity of heart, just as you would obey Christ. / And do this not only to please them while they are watching, but as servants of Christ, doing the will of God from your heart. / Serve with good will, as to the Lord and not to men, ...

Colossians 3:22-24
Slaves, obey your earthly masters in everything, not only to please them while they are watching, but with sincerity of heart and fear of the Lord. / Whatever you do, work at it with your whole being, as for the Lord and not for men, / because you know that you will receive an inheritance from the Lord as your reward. It is the Lord Christ you are serving.

1 Timothy 6:1-2
All who are under the yoke of slavery should regard their masters as fully worthy of honor, so that God’s name and our teaching will not be discredited. / Those who have believing masters should not show disrespect because they are brothers, but should serve them all the more, since those receiving their good service are beloved believers. Teach and encourage these principles.