Numbers 8:19
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 may be no plague among the children of Israel, when the children of Israel come nigh to the sanctuary.
Numbers 1:53
But the Levites shall pitch around the tabernacle of testimony; that there may be no wrath upon the congregation of the children of Israel: and the Levites shall keep the charge of the tabernacle of testimony.
Numbers 16:46
And Moses said to Aaron, Take a censer, and put fire in it from off the altar, and put on incense, and go quickly to the congregation, and make an atonement for them: for there is wrath gone out from the LORD; the plague is begun.
Numbers 3:6-9
Bring the tribe of Levi near, and present them before Aaron the priest, that they may minister to him.
Numbers 18:2-6
And thy brethren also of the tribe of Levi, the tribe of thy father, bring thou with thee, that they may be joined to thee, and minister to thee: but thou and thy sons with thee shall minister before the tabernacle of witness.
1 Samuel 6:19
And he smote the men of Beth-shemesh, because they had looked into the ark of the LORD, even he smote of the people fifty thousand and seventy men: and the people lamented, because the LORD had smitten many of 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 the LORD, 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 his destruction: for he transgressed against the LORD his God, and went into the temple of the LORD to burn incense upon the altar of incense.
Ezekiel 44:11-14
Yet they shall be ministers in my sanctuary, having charge at the gates of the house, and ministering to the house: they shall slay the burnt-offering and the sacrifice for the people, and they shall stand before them to minister to them.