Leviticus 25:46-51

⁴⁶And may make them an inheritance for your children after you to inherit them for a possession to serve them perpetually; but among your brethren the sons of Israel no man shall make his brother labour with hardness.

⁴⁷And if the hand of an uncircumcised sojourner with thee wax strong, and thy brother with thee become poor and sell himself to the uncircumcised sojourner with thee, or to an Aramite of the race of the stranger,

⁴⁸after that he is sold he may have redemption; one of his brethren may redeem him.

⁴⁹Either his father’s brother, or the son of his father’s brother, may redeem him; or anyone of kin to the flesh of his family may redeem him; or if his hand be able, he may redeem himself.

⁵⁰And he shall reckon with his purchaser from the year that he sold himself, unto the year of Jubilee, and the money of his payment shall be according to the number of the years, according to the days of an hireling shall it be with him.

⁵¹If the years be yet many, according to them shall he give the price of his redemption;