King James Version
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.English Standard Version
They shall keep guard over him and over the whole congregation before the tent of meeting, as they minister at the tabernacle.New International Version
They are to perform duties for him and for the whole community at the Tent of Meeting by doing the work of the tabernacle.