Exodus 23:2, 6, 9
Exodus 23:2 ASV
Thou shalt not follow a multitude to do evil; neither shalt thou speak in a cause to turn aside after a multitude to wrest justice
Exodus 23:9 ASV
And a sojourner shalt thou not oppress: for ye know the heart of a sojourner, seeing ye were sojourners in the land of Egypt.