Ezra 2:70

2:70 The priests, the Levites, some of the people, the singers, the gatekeepers, and the temple servants lived in their towns, and all the rest of Israel lived in their towns.

Ezra 7:25

7:25 “Now you, Ezra, in keeping with the wisdom of your God which you possess, appoint judges and court officials who can arbitrate cases on behalf of all the people who are in Trans-Euphrates who know the laws of your God. Those who do not know this law should be taught.