Benaiah son of Jehoiada was over the Cherethites and Pelethites; and David’s sons were priestly leaders.
David was not so engaged in his wars abroad as to neglect the administration of the government at home. I. His care extended itself to all the parts of his dominion: He reigned over all Israel (Sa2 8:15); not only he had a right to reign over all the tribes, but he did so; they were all safe under his protection, and shared in the fruits of his good government.
Commenting on 2 Samuel 8:15-18
And Benaiah the son of Jehoiada was over both the Cherethites and Pelethites,.... These, according to Josephus (k), were the king's bodyguards, and this man is expressly said to be set over his guards, Sa2 23:22; and which some think were of the nation of the Philistines, famous for archery, and slinging of stones; and so the Targum renders it,"was appointed over the archers and...
Cherethites--that is, Philistines (Zep 2:5). Pelethites--from Pelet (Ch1 12:3). They were the valiant men who, having accompanied David during his exile among the Philistines, were made his bodyguard. Next: 2 Samuel Chapter 9