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.

Leviticus 26:17

26:17 I will set my face against you. You will be struck down before your enemies, those who hate you will rule over you, and you will flee when there is no one pursuing you.