Beside the cruelty to the body, in selling a child or youth from his friends, there was yet greater cruelty to the soul, in causing an Israelite to be sent out of his land, whereby he was in danger of going after other gods. This was what David so much condemned in Saul's conduct towards him: See 1 Samuel 26:19.
Related Commentaries of Deuteronomy 24:7
Deuteronomy 24:7
7 If a man be found stealing any of his brethren of the children of Israel, and maketh merchandise of him, or selleth him; then that thief shall die; and thou shalt put evil away from among you.