Vayikra 25:45-47

Orthodox Jewish Bible

⁴⁵ Moreover of the bnei hatoshavim that do sojourn among you, of them shall ye buy, and of their mishpachot that are among you, which they fathered in your land; and they shall be your possession.

⁴⁶ And ye shall take them as an inheritance for your banim after you, to inherit them for a possession; they shall be your bondmen forever; but over your brethren, the Bnei Yisroel, ye shall not rule one over another with rigor.

⁴⁷ And if a ger or toshav grow rich by thee, and thy brother that dwelleth by him grow poor, and sell himself unto the foreigner among thee, or to the eker (member) mishpachat of the ger;