who hitherto waited in the king’s gate eastward: they were the porters for the camp of the children of Levi.

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.

and hitherto they are at the gate of the king eastward; they are the gatekeepers for the companies of the sons of Levi.

And they have been hitherto in the king's gate eastward: they were the doorkeepers in the camps of the children of Levi.