Smite, i.e. kill and destroy, as that word is used, Genesis 8:21, and elsewhere. Thy master; thy former lord and king.
Related Commentaries of 2 Kings 9:7
2 Kings 9:7
7 And thou shalt smite the house of Ahab thy master, that I may avenge the blood of my servants the prophets, and the blood of all the servants of the LORD, at the hand of Jezebel.