Another traitor appears — Sheba. You may have remembered that Joab had been replaced as David’s army general by Amasa (2 Sam. 19:13). But here we see Joab acting firmly and bravely for the king in getting rid of the traitor Sheba, although he acts very deceitfully towards Amasa and murders him. Joab was always too hard a man for David (2 Sam. 3:27-39), particularly the last verse.