Numbers 1:50 But thou shalt appoint the Levites over the tabernacle of testimony, and over all the vessels thereof, and over all things that belong to it: they shall bear the tabernacle, and all the vessels thereof; and they shall minister unto it, and shall encamp round about the tabernacle. 51 And when the tabernacle setteth forward, the Levites shall take it down: and when the tabernacle is to be pitched, the Levites shall set it up: and the stranger that cometh nigh shall be put to death.
[Patriarchs & Prophets pp 375] To the Levites was committed the charge of the tabernacle and all that pertained thereto, both in the camp and on the journey. When the camp set forward they were to strike the sacred tent; when a halting place was reached they were to set it up. No person of another tribe was allowed to come near, on pain of death. The Levites were separated into three divisions, the descendants of the three sons of Levi, and each was assigned its special position and work. In front of the tabernacle, and nearest to it, were the tents of Moses and Aaron. On the south were the Kohathites, whose duty it was to care for the ark and the other furniture; on the north Merarites, who were placed in charge of the pillars, sockets, boards, etc.; in the rear the Gershonites, to whom the care of the curtains and hangings was committed.
The position of each tribe also was specified. Each was to march and to encamp beside its own standard, as the Lord had commanded: “Every man of the children of Israel shall pitch by his own standard, with the ensign of their father's house: far off about the tabernacle of the congregation shall they pitch.” “As they encamp, so shall they set forward, every man in his place by their standards.” Numbers 2:2, 17. The mixed multitude that had accompanied Israel from Egypt were not permitted to occupy the same quarters with the tribes, but were to abide upon the outskirts of the camp; and their offspring were to be excluded from the community until the third generation. Deuteronomy 23:7, 8.
Scrupulous cleanliness as well as strict order throughout the encampment and its environs was enjoined. Thorough sanitary regulations were enforced. Every person who was unclean from any cause was forbidden to enter the camp. These measures were indispensable to the preservation of health among so vast a multitude; and it was necessary also that perfect order and purity be maintained, that Israel might enjoy the presence of a holy God. Thus He declared: “The Lord thy God walketh in the midst of thy camp, to deliver thee, and to give up thine enemies before thee; therefore shall thy camp be holy.”
Leviticus 19:1 And the Lord spake unto Moses, saying, 2 Speak unto all the congregation of the children of Israel, and say unto them, Ye shall be holy: for I the Lord your God am holy.
May The Lord add His blessing to the study of His word. God bless!