'Gatekeepers' in the Bible

Sons of the gatekeepers; sons of Shallum, sons of Ater, sons of Talmon, sons of Akkub, sons of Hatita, sons of Shobai, the whole are a hundred thirty and nine.

And the priests dwell, and the Levites, and of the people, and the singers, and the gatekeepers, and the Nethinim, in their cities; even all Israel in their cities.

And there go up of the sons of Israel, and of the priests, and the Levites, and the singers, and the gatekeepers, and the Nethinim, unto Jerusalem, in the seventh year of Artaxerxes the king.

'And to you we are making known, that upon any of the priests and Levites, singers, gatekeepers, Nethinim, and servants of the house of God, tribute and custom there is no authority to lift up.

And of the singers: Eliashib. And of the gatekeepers: Shallum, and Telem, and Uri.