Leviticus 25:37-39

New Revised Standard Version, Anglicised

³⁷ You shall not lend them your money at interest taken in advance, or provide them food at a profit. ³⁸ I am the Lord your God, who brought you out of the land of Egypt, to give you the land of Canaan, to be your God.

³⁹ If any who are dependent on you become so impoverished that they sell themselves to you, you shall not make them serve as slaves.