Numbers 3:28
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 3:7
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
And their charge shall be the ark, and the table, and the candlestick, and the altars, and the vessels of the sanctuary with which they minister, and the hanging, and all the service of it.
Numbers 4:35-36
From thirty years old and upward even to fifty years old, every one that entereth into the service, for the work in the tabernacle of the congregation: