Now Joab [was] over all the host of Israel: and Benaiah the son of Jehoiada [was] over the Cherethites and over the Pelethites:
Ver. 23. Now Joab was over all the host.] He would be so; neither was it in David's power to put him by; so great a sway bare he in the army, who were all for General Joab. Neither, indeed, could David well spare him, so necessary was his service.