'Priestly' in the Bible

because the descendants of Levi left their pasture lands and their property to live in Judah and Jerusalem, since Jeroboam and his sons had excluded them from participating in priestly services to the LORD.

Did you not drive out the priests of Yahweh, the sons of Aaron, the Levites? Have you [not] made for yourselves priests like all the peoples of the lands? All who come {to be consecrated for priestly service} with a young bull or seven rams becomes a priest of [what is] not a god.

When he had consulted with the people, he appointed those who sang to the Lord and those who praised Him in their holy (priestly) attire, as they went out before the army and said, “Praise and give thanks to the Lord, for His mercy and lovingkindness endure forever.”

Hezekiah appointed the priestly divisions and the divisions of the descendants of Levi, each according to their service duties, including both priests and descendants of Levi who offered morning and evening burnt offerings, peace offerings, general ministry, thanksgiving, and praise in the gateways to the LORD's campgrounds.

Under his authority, Eden, Miniamin, Jeshua, Shemaiah, Amariah, and Shecaniah served in the priestly cities, making sure contributions were distributed faithfully to their relatives division by division, no matter how large or how small,