Leviticus 25:39–43

39 “If your brother among you becomes destitute and sells himself to you,a you must not force him to do slave labor. 40 Let him stay with you as a hired worker or temporary resident; he may work for you until the Year of Jubilee. 41 Then he and his children are to be released from you, and he may return to his clan and his ancestral property.b 42 They are not to be sold as slaves,D because they are my servantsE that I brought out of the land of Egypt. 43 You are not to rule over them harshlyc but fear your God.