Deuteronomy 15:11

15:11 There will never cease to be some poor people in the land; therefore, I am commanding you to make sure you open your hand to your fellow Israelites who are needy and poor in your land.

Deuteronomy 17:15

17:15 you must select without fail a king whom the Lord your God chooses. From among your fellow citizens you must appoint a king – you may not designate a foreigner who is not one of your fellow Israelites.

Deuteronomy 23:20

23:20 You may lend with interest to a foreigner, but not to your fellow Israelite; if you keep this command the Lord your God will bless you in all you undertake in the land you are about to enter to possess.