keep his charge - that is, so assist him that the obligations incumbent on him and on the congregation may be fulfilled.

And they shall keep his charge. —The word rendered charge may mean the directions which the Levites should recei…

And they shall keep his charge, and the charge of the whole
congregation
The charge o…

There was much work belonging to the priests' office, and there were now only Aaron and his two sons to do it; God appoints the Levites to attend t…