Psalm 106:16

And they will be jealous. against Moses in the camp, against Aaron the holy of Jehovah.

Exodus 28:36

And make a plate of pure gold, and engrave upon it the engravings of a seal, HOLINESS TO JEHOVAH.

Leviticus 21:6-8

They shall be holy to their God, and profane not the name of their God: for the sacrifices of Jehovah, and the bread of their God they bring: and they were holy.

Leviticus 21:10-12

And the great priest from his brethren which the anointing oil shall be poured upon his head, and he filled his hand to put on the garments, his head he shall not uncover, and his garments he shall not rend.

Numbers 16:1-50

And Korah son of Izhar, son of Kohath, son of Levi, will take, and Dathan and Abiram, sons of Eliab; and On, son of Peleth, sons of Reuben;

Treasury of Scripture Knowledge

Summary

They envied Moses also in the camp, and Aaron the saint of the LORD.

Bible References

The saint

Exodus 28:36
And make a plate of pure gold, and engrave upon it the engravings of a seal, HOLINESS TO JEHOVAH.
Leviticus 21:6
They shall be holy to their God, and profane not the name of their God: for the sacrifices of Jehovah, and the bread of their God they bring: and they were holy.
Numbers 16:7
And ye shall give fire in them and put upon them incense, before Jehovah to-morrow: and it was the man whom Jehovah shall choose, he is holy: much to you, ye sons of Levi.