Exodus 22:21 KJV
Thou shalt neither vex a stranger, nor oppress him: for ye were strangers in the land of Egypt.
Exodus 22:21, King James Version
In context
20 He that sacrificeth unto any god, save unto the Lord only, he shall be utterly destroyed.
21 Thou shalt neither vex a stranger, nor oppress him: for ye were strangers in the land of Egypt.
22 Ye shall not afflict any widow, or fatherless child.