The area in front of the Tabernacle, in the east toward the sunrise, was reserved for the tents of Moses and of Aaron and his sons, who had the final responsibility for the sanctuary on behalf of the people of Israel. Anyone other than a priest or Levite who went too near the sanctuary was to be put to death.
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Keeping the charge of the sanctuary ... — The word mikdash (sanctuary) appears to have a more comprehensive significance …

And those that encamp before the tabernacle toward the east ,
&c.] At which was the entrance into the tabernacle:

The Levites were in three classes according to the sons of Levi—Gershon, Kohath, and Merari—and these were subdivided into families. The descendant…
Charles Ellicott
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