Levites were Judges

You are to go to the Levitical priests and to the judge who presides at that time. Inquire of them, and they will give you a verdict in the case.

“Of these,” said David, “24,000 are to oversee the work of the house of the LORD, 6,000 are to be officers and judges,

From the Izharites, Chenaniah and his sons had the outside duties as officers and judges over Israel.

Moreover, Jehoshaphat appointed in Jerusalem some of the Levites, priests, and heads of the Israelite families to judge on behalf of the LORD and to settle disputes. And they lived in Jerusalem. …

Shabbethai and Jozabad, two leaders of the Levites, who supervised the work outside the house of God;