'Door keepers' in the Bible

and with them their brethren of the second degree, Zechariah, Ben, and Jaaziel, and Shemiramoth, and Jehiel, and Unni, Eliab, and Benaiah, and Maaseiah, and Mattithiah, and Eliphelehu, and Mikneiah, and Obed-edom, and Jeiel, the doorkeepers.

And Berechiah and Elkanah were doorkeepers for the ark.

And Shebaniah, and Joshaphat, and Nethanel, and Amasai, and Zechariah, and Benaiah, and Eliezer, the priests, did blow the trumpets before the ark of God: and Obed-edom and Jehiah were doorkeepers for the ark.

and Obed-edom with their brethren, threescore and eight; Obed-edom also the son of Jeduthun and Hosah to be doorkeepers;

and four thousand were doorkeepers; and four thousand praised Jehovah with the instruments which I made,'said David , to praise therewith.

For the courses of the doorkeepers: of the Korahites, Meshelemiah the son of Kore, of the sons of Asaph.

Of these were the courses of the doorkeepers, even of the chief men, having offices like their brethren, to minister in the house of Jehovah.

These were the courses of the doorkeepers; of the sons of the Korahites, and of the sons of Merari.

And he appointed, according to the ordinance of David his father, the courses of the priests to their service, and the Levites to their offices, to praise, and to minister before the priests, as the duty of every day required; the doorkeepers also by their courses at every gate: for so had David the man of God commanded.