A stranger – that is, everyone not a Levite. So in (Numbers 18:7), it denotes everyone who was not a priest: compare ([Reference…

And keep the charge ... — See Numbers 1:53; Numbers 3:7.

And they shall be joined to you
As assistants in the sacred service: and keep the charge of tabernacle o…

The people complained of their difficulty and peril in drawing near to God. God here gives them to understand that the priests should come near for…