And Joab the son of Zeruiah was over the host; and Jehoshaphat the son of Ahilud was recorder; Joab - was over the host - General and commander-in-chief over all the army.
Ahilud - recorder - מזכיר mazkir, remembrancer; one who kept a strict journal of all the proceedings of the king and operations of his army; a chronicler. Or, remembrancer, or, writer of chronicles.