1 Chronicles 27:30

“camels--These were probably in the countries east of the Jordan, and hence an Ishmaelite and Nazarite were appointed to take charge of them.”

“This section is important as showing that David, the younger son of a not very opulent family 1Sa 16:11, 1 Samuel 16:20, had now become a large landed proprietor, as well as a capitalist, possessed of much moveable wealth. We may perhaps see the sources of both these kinds of property, in the successful wars which he had waged 1 Samuel 27:8-9; 1 Samuel 30:20; 2 Samuel 8:4, 2Sa 8:7-8, 2 Samuel 8:12; in the revenue derived from subject kings 1 Samuel 8:2, 1 Samuel 8:14; 1 Samuel 10:19; and in the purchase and occupation of lands in different places. Further, he enjoyed, of course, the usual rights of a Jewish king over the landed property of his subjects, and was thus entitled to receive a…”

“the camels: Job 1:3 the Ishmaelite: Gen 47:6 1 Chronicles 27:32”

“The name of the Ishmaelite who was set over the camels, Obil (אוביל), reminds us of the Arab. abila, multos possedit vel acquisivit camelos. המּרנמי, he of Meronoth ( Ch1 27:30 and Neh 3:17). The situation of this place is unknown. According to Neh 3:7, it is perhaps to be sought in the neighbourhood of Mizpah. Over the smaller cattle (sheep and goats) Jaziz the Hagarite, of the people Hagar (cf. Ch1 5:10), was set. The oversight, consequently, of the camels and sheep was committed to a Hagarite and an Ishmaelite, probably because they pastured in the neighbourhood where the Ishmaelites and Hagarites had nomadized from early times, they having been brought under the dominion of Israel by…”