The tabernacle of witness was before the most holy place, in which was the ark. And as this represented the presence of JEHOVAH, no Levite, much less a stranger could venture to approach. What a delightful representation is all this of the infinite importance of the mediation and intercession of JESUS? John 14:6.
Related Commentaries of Numbers 18:3
Numbers 18:3-5
3 And they shall keep thy charge, and the charge of all the tabernacle: only they shall not come nigh the vessels of the sanctuary and the altar, that neither they, nor ye also, die.
4 And they shall be joined unto thee, and keep the charge of the tabernacle of the congregation, for all the service of the tabernacle: and a stranger shall not come nigh unto you.
5 And ye shall keep the charge of the sanctuary, and the charge of the altar: that there be no wrath any more upon the children of Israel.