Joab having doubtless declared his repentance for his former crimes, and having done eminent service for his country, and having received the chief command by virtue of David's promise and contract, 2 Samuel 5:8, was still continued in his place. Recorder; either, first, The writer of chronicles. But it is not likely he would have been put among the great officers of state and church. Or, secondly, The treasurer, who examined all the accounts, and kept records of them. Or, thirdly, The king's counsellor, as Ahithophel is called, 2 Samuel 15:12 1 Chronicles 27:33, who was to bring things of moment to the king's mind and remembrance, and to admonish him from time to time of things fit to be done. See 1 Kings 4:3 2 Kings 18:18.
Related Commentaries of 2 Samuel 8:16
2 Samuel 8:16
16 And Joab the son of Zeruiah was over the host; and Jehoshaphat the son of Ahilud was recorder;e