Leviticus 25:37-39

New King James Version

³⁷ You shall not lend him your money for usury, nor lend him your food at a profit. ^38 (A)I am the Lord your God, who brought you out of the land of Egypt, to give you the land of Canaan and to be your God.

The Law Concerning Slavery

³⁹ ‘And if one of your brethren who dwells by you becomes poor, and sells himself to you, you shall not compel him to serve as a slave.