Brown Driver Briggs

 Hazael = "one who sees God"
1. a king of Syria; sent by his master, Ben-hadad, to the prophet
Elisha, to seek a remedy for Ben-hadad's leprosy; apparently later
killed Ben-hadad, assumed the throne, and soon became engaged in a
war with the kings of Judah and Israel for the possession of the
city of Ramoth-gilead