Thematic Bible: Bond-servant

And if a sojourner or stranger with you becomes rich and your [Israelite] brother becomes poor beside him and sells himself to the stranger or sojourner with you or to a member of the stranger's family, After he is sold he may be redeemed. One of his brethren may redeem him: Either his uncle or his uncle's son may redeem him, or a near kinsman may redeem him; or if he has enough and is able, he may redeem himself. read more.
And [the redeemer] shall reckon with the purchaser of the servant from the year when he sold himself to the purchaser to the Year of Jubilee, and the price of his release shall be adjusted according to the number of years. The time he was with his owner shall be counted as that of a hired servant. If there remain many years [before the Year of Jubilee], in proportion to them he must refund [to the purchaser] for his release [the overpayment] for his acquisition. And if little time remains until the Year of Jubilee, he shall count it over with him and he shall refund the proportionate amount for his release. And as a servant hired year by year shall he deal with him; he shall not rule over him with harshness (severity, oppression) in your sight [make sure of that]. And if he is not redeemed during these years and by these means, then he shall go free in the Year of Jubilee, he and his children with him.