Numbers 8:19

And I have given the Levites as a gift to Aaron and to his sons from among the sons of Israel, to do the service of the sons of Israel in the tabernacle of the congregation, and to make an atonement for the sons of Israel, so that there may be no plague among the sons of Israel when the sons of Israel come near the sanctuary.

Numbers 1:53

But the Levites shall pitch around the tabernacle of testimony, so that there may be no wrath upon the congregation of the sons of Israel. And the Levites shall keep the charge of the tabernacle of testimony.

Numbers 16:46

And Moses said to Aaron, Take a fire-pan, and put fire in it from the altar, and put on incense, and go quickly to the congregation and make an atonement for them. For wrath has gone out from Jehovah. The plague has begun.

Numbers 3:6-9

Bring the tribe of Levi near, and present them before Aaron the priest, so that they may minister to him.

Numbers 18:2-6

And bring your brothers also of the tribe of Levi, the tribe of your father with you, so that they may be joined to you and minister to you, you and your sons with you, before the tabernacle of witness.

1 Samuel 6:19

And He struck the men of Beth-shemesh because they had looked into the ark of Jehovah. He even struck seventy among the people, including fifty chief men. And the people lamented because Jehovah had struck the people with a great slaughter.

1 Chronicles 23:28-32

because their office was to wait on the sons of Aaron for the service of the house of Jehovah, in the courts and in the chambers, and in the purifying of all holy things, and the work of the service of the house of God

2 Chronicles 26:16-20

But when he was strong, his heart was lifted up to ruin. For he sinned against Jehovah his God, and went into the temple of Jehovah to burn incense on the altar of incense.

Ezekiel 44:11-14

Yet they shall be ministers in My sanctuary, overseers at the gates of the house and ministering to the house. They shall kill the burnt offering and the sacrifice for the people, and they shall stand before them to minister to them.

Treasury of Scripture Knowledge

Summary

And I have given the Levites as a gift to Aaron and to his sons from among the children of Israel, to do the service of the children of Israel in the tabernacle of the congregation, and to make an atonement for the children of Israel: that there be no plague among the children of Israel, when the children of Israel come nigh unto the sanctuary.

General references

Bible References

I have given

Numbers 3:6
Bring the tribe of Levi near, and present them before Aaron the priest, so that they may minister to him.
Numbers 18:2
And bring your brothers also of the tribe of Levi, the tribe of your father with you, so that they may be joined to you and minister to you, you and your sons with you, before the tabernacle of witness.
1 Chronicles 23:28
because their office was to wait on the sons of Aaron for the service of the house of Jehovah, in the courts and in the chambers, and in the purifying of all holy things, and the work of the service of the house of God
Ezekiel 44:11
Yet they shall be ministers in My sanctuary, overseers at the gates of the house and ministering to the house. They shall kill the burnt offering and the sacrifice for the people, and they shall stand before them to minister to them.

That there

Numbers 1:53
But the Levites shall pitch around the tabernacle of testimony, so that there may be no wrath upon the congregation of the sons of Israel. And the Levites shall keep the charge of the tabernacle of testimony.
Numbers 16:46
And Moses said to Aaron, Take a fire-pan, and put fire in it from the altar, and put on incense, and go quickly to the congregation and make an atonement for them. For wrath has gone out from Jehovah. The plague has begun.
Numbers 18:5
And you shall keep the charge of the sanctuary and the charge of the altar, so that there may be no wrath any more upon the sons of Israel.
1 Samuel 6:19
And He struck the men of Beth-shemesh because they had looked into the ark of Jehovah. He even struck seventy among the people, including fifty chief men. And the people lamented because Jehovah had struck the people with a great slaughter.
2 Chronicles 26:16
But when he was strong, his heart was lifted up to ruin. For he sinned against Jehovah his God, and went into the temple of Jehovah to burn incense on the altar of incense.

General references

Numbers 3:9
And you shall give the Levites to Aaron and to his son. They are wholly given to him out of the sons of Israel.