(1) to advise David while an outlaw fleeing before Saul to return to the land of Judah (1 Samuel 22:5);
(2) to rebuke David and give him his choice of punishments when, in spite of the advice of Joab and the traditional objections (compare Exodus 30:11), he had counted the children of Israel (2 Samuel 24:11; 1 Chronicles 21:9);
(3) to instruct David to erect an altar on the threshing-floor of Araunah when the plague that had descended on Israel ceased (2 Samuel 24:18; 1 Chronicles 21:18); and
(4) to assist in the arrangement of Levitical music with cymbals, psalteries and harps (compare 2 Chronicles 29:25).
Of his writings none are known, though he is said to have written a history of a part of David's reign (1 Chronicles 29:29).