Treasury of Scripture Knowledge

Summary

But those that encamp before the tabernacle toward the east, even before the tabernacle of the congregation eastward, shall be Moses, and Aaron and his sons, keeping the charge of the sanctuary for the charge of the children of Israel; and the stranger that cometh nigh shall be put to death.

For the charge

Bible References

Toward

Numbers 3:23
The clans of the Gershonites will camp behind the tabernacle to the west,
Numbers 1:53
But the Levites will encamp around the tabernacle of the testimony, and there will not be wrath on the community of the {Israelites}; and the Levites will keep the requirements of the tabernacle of the testimony."
Numbers 2:3
The ones who encamp on the eastern side, toward the sunrise, [will be] of the standard of the camp of Judah according to their divisions; and the leader of the descendants of Judah [will be] Nahshon son of Amminadab,

Keeping

Numbers 3:10
But you will count Aaron and his descendants; they will keep their priesthood, and the stranger who approaches will be put to death."
Numbers 18:1
Yahweh said to Aaron, "You, your sons, and your family with you will bear the guilt of the sanctuary, and you and your sons with you will bear the guilt of your priesthood.
1 Chronicles 6:48
And their brothers the Levites were appointed for all the service of the tabernacle of the house of God.

For the charge

Numbers 3:7
They shall observe his duties and the duties of the entire community before the tent of assembly, to do the work of the tabernacle.