Leviticus 25:47-48

⁴⁷And if a stranger who is a settler with thee be waxen rich, and thy brother be waxen poor beside him, and sell himself unto the stranger who is a settler with thee, or to the offshoot of a stranger's family,

⁴⁸after that he is sold he may be redeemed; one of his brethren may redeem him;