Leviticus 25:39

25:39 “‘If your brother becomes impoverished with regard to you so that he sells himself to you, you must not subject him to slave service.

Leviticus 25:47

25:47 “‘If a resident foreigner who is with you prospers and your brother becomes impoverished with regard to him so that he sells himself to a resident foreigner who is with you or to a member of a foreigner’s family,

Leviticus 27:27

27:27 If, however, it is among the unclean animals, he may ransom it according to its conversion value and must add one fifth to it, but if it is not redeemed it must be sold according to its conversion value.