The gatekeepers were: Shallum, Akkub, Talmon, Ahiman, and their brothers. Shallum was the leader;

They performed the service of their God and the service of purification, along with the singers and gatekeepers, according to the commandment of David and ¹  his son Solomon.

In the seventh year of King Artaxerxes, Ezra brought ¹  up to Jerusalem ²  some of the Israelites and some of the priests, the Levites, the attendants, the gatekeepers, and the temple servants.

The musicians, the descendants of Asaph, manned their posts, as prescribed by David, Asaph, Heman, and Jeduthun the king’s prophet. ¹  The guards at the various gates did not need to leave their posts, for their fellow Levites made preparations for them.

So in the days of Zerubbabel and in the days of Nehemiah, all Israel was contributing the portions for the singers and gatekeepers, according to the daily need. ¹  They also set aside ²  the portion for the Levites, and the Levites set aside the portion for the descendants of Aaron.

He made for himself a large storeroom where previously they had been keeping ¹  the grain offering, the incense, and the vessels, along with the tithes of the grain, the new wine, and the olive oil as commanded for the Levites, the singers, the gate keepers, and the offering for the priests.