to the gutter = by (or through) the zinnor, a rock-cut passage from the lower Gihon or En-Rogel (now the Virgin's Fount on east of Ophel), leading up into the city and supplying water. Discovered by Sir Charles Warren. Compare note on Neh_2:13, &c.
soul. Hebrew. nephesh.App-13.
he shall be chief and captain. These words are supplied from 1Ch_11:6, which tells that Joab got up the zinnor first. Probably revealed to him (or to David) by Araunah, who (though a Jebusite) was not slain, but is found, later on, owning property quite near (2Sa_24:16). Josephus says Araunah was a friend of David's.