Judges 17:12

"And Micah consecrated the Levite; and the young man became his priest, and was in the house of Micah."

Cross References (ranked by relevance)

And the children of Dan set up the graven image: and Jonathan, the son of Gershom, the son of Manasseh, he and his sons were priests to the tribe of Dan until the day of the captivity of the land.

1 Kings 12:31

And he made an house of high places, and made priests of the lowest of the people, which were not of the sons of Levi.

Numbers 16:5

And he spake unto Korah and unto all his company, saying, Even to morrow the LORD will shew who are his, and who is holy; and will cause him to come near unto him: even him whom he hath chosen will he cause to come near unto him.