2 Chronicles 17:7

17:7 In the third year of his reign he sent his officials Ben-Hail, Obadiah, Zechariah, Nethanel, and Micaiah to teach in the cities of Judah.

2 Chronicles 23:4

23:4 This is what you must do. One third of you priests and Levites who are on duty during the Sabbath will guard the doors.