Proverbs 22:22
"Rob not the poor, because he is poor: neither oppress the afflicted in the gate:"
Cross References (ranked by relevance)
And oppress not the widow, nor the fatherless, the stranger, nor the poor; and let none of you imagine evil against his brother in your heart.
And I will come near to you to judgment; and I will be a swift witness against the sorcerers, and against the adulterers, and against false swearers, and against those that oppress the hireling in his wages, the widow, and the fatherless, and that turn aside the stranger from his right, and fear not me, saith the LORD of hosts.
He that oppresseth the poor to increase his riches, and he that giveth to the rich, shall surely come to want.
Thou shalt not wrest the judgment of thy poor in his cause.
If I have lifted up my hand against the fatherless, when I saw my help in the gate:
If I have withheld the poor from their desire, or have caused the eyes of the widow to fail;
The people of the land have used oppression, and exercised robbery, and have vexed the poor and needy: yea, they have oppressed the stranger wrongfully.