Thematic Bible: Degraded from the levitical office by jeroboam

Moreover, the priests and the Levites who were in all Israel stood with him from all their districts. For the Levites left their pasture lands and their property and came to Judah and Jerusalem, for Jeroboam and his sons had excluded them from serving as priests to the LORD. He set up priests of his own for the high places, for the satyrs and for the calves which he had made. read more.
Those from all the tribes of Israel who set their hearts on seeking the LORD God of Israel followed them to Jerusalem, to sacrifice to the LORD God of their fathers. They strengthened the kingdom of Judah and supported Rehoboam the son of Solomon for three years, for they walked in the way of David and Solomon for three years.

"Have you not driven out the priests of the LORD, the sons of Aaron and the Levites, and made for yourselves priests like the peoples of other lands? Whoever comes to consecrate himself with a young bull and seven rams, even he may become a priest of what are no gods. "But as for us, the LORD is our God, and we have not forsaken Him; and the sons of Aaron are ministering to the LORD as priests, and the Levites attend to their work. "Every morning and evening they burn to the LORD burnt offerings and fragrant incense, and the showbread is set on the clean table, and the golden lampstand with its lamps is ready to light every evening; for we keep the charge of the LORD our God, but you have forsaken Him.