him that hath it. its owner (the bribed, not the briber).
prospereth. it sparkles. And he loves to look at it and keep it. Compare "gift", Proverbs 17:23.
Related Commentaries of Proverbs 17:8
Proverbs 17:8
8 A gift is as a preciousd stone in the eyes of him that hath it: whithersoever it turneth, it prospereth.