Leviticus 25:40-42

⁴⁰but he shall be as an hired man and (as) a tenant; till to the year of jubilee he shall work with thee (or he shall work for thee until the Jubilee Year),

⁴¹and afterward he shall go out with his free children, and he shall turn again to his kindred, and to the possession of his fathers. (and then he shall go out free with his children, and he shall return to his family, and to his inheritance from his fathers.)

⁴²For they be my servants, and I led them out of the land of Egypt; they shall not be sold by the condition of servants; (For they be my slaves, and I led them out of Egypt; and they shall not be sold into human slavery;)