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 25:46

25:46 You may give them as inheritance to your children after you to possess as property. You may enslave them perpetually. However, as for your brothers the Israelites, no man may rule over his brother harshly.