But the Levites are to camp around the tabernacle of the Testimony and watch over it, so that no wrath will fall on the congregation of Israel. So the Levites are responsible for the tabernacle of the Testimony."

Leviticus 10:6
Then Moses said to Aaron and his sons Eleazar and Ithamar, "Do not let your hair become disheveled and do not tear your garments, or else you will die, and the LORD will be angry with the whole congregation. But your brothers, the whole house of Israel, may mourn on account of the fire that the LORD has ignited.

Numbers 1:54
Thus the Israelites did everything just as the LORD had commanded Moses.

Numbers 2:17
In the middle of the camps, the Tent of Meeting is to travel with the camp of the Levites. They are to set out in the order they encamped, each in his own place under his standard.

Numbers 3:23
The Gershonite clans were to camp on the west, behind the tabernacle,

Numbers 3:29
The clans of the Kohathites were to camp on the south side of the tabernacle,

Numbers 3:35
The leader of the families of the Merarites was Zuriel son of Abihail; they were to camp on the north side of the tabernacle.

Numbers 3:38
Moses, Aaron, and Aaron's sons were to camp to the east of the tabernacle, toward the sunrise, before the Tent of Meeting. They were to perform the duties of the sanctuary as a service on behalf of the Israelites; but any outsider who approached the sanctuary was to be put to death.

Numbers 8:19
And I have given the Levites as a gift to Aaron and his sons from among the Israelites, to perform the service for the Israelites at the Tent of Meeting and to make atonement on their behalf, so that no plague will come against the Israelites when they approach the sanctuary."

Numbers 8:24
"This applies to the Levites: Men twenty-five years of age or older shall enter to perform the service in the work at the Tent of Meeting.

Numbers 8:26
After that, they may assist their brothers in fulfilling their duties at the Tent of Meeting, but they themselves are not to do the work. This is how you are to assign responsibilities to the Levites."

Numbers 16:46
Moses said to Aaron, "Take your censer, place fire from the altar in it, and add incense. Go quickly to the congregation and make atonement for them, because wrath has come out from the LORD; the plague has begun."

Numbers 17:7
Then Moses placed the staffs before the LORD in the Tent of the Testimony.

Numbers 18:2
But bring with you also your brothers from the tribe of Levi, the tribe of your father, that they may join you and assist you and your sons before the Tent of the Testimony.

Numbers 18:5
And you shall attend to the duties of the sanctuary and of the altar, so that wrath may not fall on the Israelites again.

1 Chronicles 23:32
So the Levites were to carry out the responsibilities for the Tent of Meeting and the Holy Place, and, under their brothers the descendants of Aaron, the service of the house of the LORD.

But the Levites shall pitch round about the tabernacle of testimony, that there be no wrath on the congregation of the children of Israel: and the Levites shall keep the charge of the tabernacle of testimony.