Ver. 9: The heart of a stranger, i.e. the disposition, dejection, and distress of his heart, which makes him an object of pity, not of malice or mischief.
Related Commentaries of Exodus 23:9
Exodus 23:9
9 Also thou shalt not oppress a stranger: for ye know the heartd of a stranger, seeing ye were strangers in the land of Egypt.