Leviticus 25:49-51

Revised Standard Version

⁴⁹ or his uncle, or his cousin may redeem him, or a near kinsman belonging to his family may redeem him; or if he grows rich he may redeem himself. ⁵⁰ He shall reckon with him who bought him from the year when he sold himself to him until the year of jubilee, and the price of his release shall be according to the number of years; the time he was with his owner shall be rated as the time of a hired servant. ⁵¹ If there are still many years, according to them he shall refund out of the price paid for him the price for his redemption.