Leviticus 25:43-50

⁴³Thou shalt not oppress him with labor, and shalt fear the Lord thy God.

⁴⁴And whatever number of menservants and maidservants thou shalt have, thou shalt purchase male and female servants from the nations that are round about thee.

⁴⁵And of the sons of the sojourners that are among you, of these ye shall buy and of their relations, all that shall be in your lands; let them be to you for a possession.

⁴⁶And ye shall distribute them to your children after you, and they shall be to you permanent possessions forever: but of your brethren the children of Israel, one shall not oppress his brother in labors.

⁴⁷And if a stranger or sojourner with thee wax rich, and thy brother in distress be sold to the stranger or the sojourner that is with thee, or to a proselyte by extraction;

⁴⁸after he is sold to him there shall be redemption for him, one of his brethren shall redeem him.

⁴⁹A brother of his father, or son of his father’s brother shall redeem him; or let one of his near kin of his tribe redeem him, and if he should be rich and redeem himself,

⁵⁰then shall he calculate with his purchaser from the year that he sold himself to him until the year of release: and the money of his purchase shall be as that of a hireling, he shall be with him from year to year.