Exodus 28:1
“Next, have your brother Aaron brought to you from among the Israelites, along with his sons Nadab, Abihu, Eleazar, and Ithamar, to serve Me as priests.

Exodus 32:26-29
So Moses stood at the entrance to the camp and said, “Whoever is for the LORD, come to me.” And all the Levites gathered around him. / He told them, “This is what the LORD, the God of Israel, says: ‘Each of you men is to fasten his sword to his side, go back and forth through the camp from gate to gate, and slay his brother, his friend, and his neighbor.’” / The Levites did as Moses commanded, and that day about three thousand of the people fell dead. ...

Deuteronomy 10:8
At that time the LORD set apart the tribe of Levi to carry the ark of the covenant of the LORD, to stand before the LORD to serve Him, and to pronounce blessings in His name, as they do to this day.

1 Chronicles 23:13
The sons of Amram: Aaron and Moses. Aaron and his descendants were set apart forever to consecrate the most holy things, to burn incense before the LORD, to minister before Him, and to pronounce blessings in His name forever.

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.

2 Chronicles 29:11
Now, my sons, do not be negligent, for the LORD has chosen you to stand before Him, to serve Him, to minister before Him, and to burn incense.”

Nehemiah 12:44-47
And on that same day men were appointed over the rooms that housed the supplies, contributions, firstfruits, and tithes. The portions specified by the Law for the priests and Levites were gathered into these storerooms from the fields of the villages, because Judah rejoiced over the priests and Levites who were serving. / They performed the service of their God and the service of purification, along with the singers and gatekeepers, as David and his son Solomon had prescribed. / For long ago, in the days of David and Asaph, there were directors for the singers and for the songs of praise and thanksgiving to God. ...

Malachi 2:4-7
Then you will know that I have sent you this commandment so that My covenant with Levi may continue,” says the LORD of Hosts. / “My covenant with him was one of life and peace, which I gave to him; it called for reverence, and he revered Me and stood in awe of My name. / True instruction was in his mouth, and nothing false was found on his lips. He walked with Me in peace and uprightness, and he turned many from iniquity. ...

Hebrews 5:1-4
Every high priest is appointed from among men to represent them in matters relating to God, to offer gifts and sacrifices for sins. / He is able to deal gently with those who are ignorant and misguided, since he himself is subject to weakness. / That is why he is obligated to offer sacrifices for his own sins, as well as for the sins of the people. ...

Hebrews 7:11-14
Now if perfection could have been attained through the Levitical priesthood (for on this basis the people received the law), why was there still need for another priest to appear—one in the order of Melchizedek and not in the order of Aaron? / For when the priesthood is changed, the law must be changed as well. / He of whom these things are said belonged to a different tribe, from which no one has ever served at the altar. ...

Hebrews 8:3-6
And since every high priest is appointed to offer both gifts and sacrifices, it was necessary for this One also to have something to offer. / Now if He were on earth, He would not be a priest, since there are already priests who offer gifts according to the law. / The place where they serve is a copy and shadow of what is in heaven. This is why Moses was warned when he was about to build the tabernacle: “See to it that you make everything according to the pattern shown you on the mountain.” ...

Hebrews 9:6-10
When everything had been prepared in this way, the priests entered regularly into the first room to perform their sacred duties. / But only the high priest entered the second room, and then only once a year, and never without blood, which he offered for himself and for the sins the people had committed in ignorance. / By this arrangement the Holy Spirit was showing that the way into the Most Holy Place had not yet been disclosed as long as the first tabernacle was still standing. ...

Hebrews 10:11
Day after day every priest stands to minister and to offer again and again the same sacrifices, which can never take away sins.

1 Peter 2:5
you also, like living stones, are being built into a spiritual house to be a holy priesthood, offering spiritual sacrifices acceptable to God through Jesus Christ.

1 Peter 2:9
But you are a chosen people, a royal priesthood, a holy nation, a people for God’s own possession, to proclaim the virtues of Him who called you out of darkness into His marvelous light.