28 In the number of all the males, from a month old and upward, were eight thousand and six hundred, keeping the charge of the sanctuary.
Numbers 3:28 Cross References - KJV
Numbers 3:7
7 And they shall keep his charge, and the charge of the whole congregation before the tabernacle of the congregation, to do the service of the tabernacle.
Numbers 3:31
31 And their charge shall be the ark, and the table, and the candlestick, and the altars, and the vessels of the sanctuary wherewith they minister, and the hanging, and all the service thereof.