Porters: Guards at the City Gates, the Doors of the King's Palace, and Doors of the Temple
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1 Chronicles 9:17–32
These were the gatekeepers: Shallum, Akkub, Talmon, Ahiman, and their relatives. Shallum was their chief; / he was previously stationed at the King’s Gate on the east side. These were the gatekeepers from the camp of the Levites. / Shallum son of Kore, the son of Ebiasaph, the son of Korah, and his relatives from the Korahites were assigned to guard the thresholds of the Tent, just as their fathers had been assigned to guard the entrance to the dwelling of the LORD.
2 Chronicles 34:13
were over the laborers and supervised all who did the work, task by task. Some of the Levites were secretaries, officers, and gatekeepers.
2 Chronicles 35:15
The singers, the descendants of Asaph, were at their stations according to the command of David, Asaph, Heman, and Jeduthun the king’s seer. And the gatekeepers at each gate did not need to leave their position, because their fellow Levites made preparations for them.