Leviticus 19:33
"If a resident alien lives with you in your land, you are not to mistreat him.
Exodus 22:21
"You are not to wrong or oppress an alien, because you were aliens in the land of Egypt.
Exodus 23:9
You are not to oppress the resident alien, because you were aliens in the land of Egypt."
Malachi 3:5
"I'll come near to you for judgment. I'll be a witness, quick to speak against sorcerers, against adulterers, against those who swear falsely, against those who defraud the laborer of his wage, against those who defraud the widow and the orphan, against those who deprive the alien of justice, and against those who don't fear me," says the LORD of the Heavenly Armies.
Deuteronomy 10:18-19
He executes justice for the orphan and the widows, loves the foreigner, and gives them food and clothing."
Deuteronomy 24:14
Don't take advantage of a hired person who is poor and needy, whether he's your fellow citizen or a foreigner who lives in your city.
Jeremiah 7:6
and if you don't oppress the alien, the orphan, and the widow, and don't shed an innocent person's blood in this place, and if you don't follow other gods to your own harm,
Ezekiel 22:7
They've treated mothers and fathers among you with contempt. They've oppressed the foreigner among you. They've maltreated the orphan and the widow among you.
Ezekiel 22:29
The people of the land were vigorously oppressive and took possession of plunder by violence. They've afflicted the poor and the needy and unjustly treated the foreigner.