NASB 1995
Zechariah the son of Meshelemiah was gatekeeper of the entrance of the tent of meeting.

American Standard Version
Zechariah the son of Meshelemiah was porter of the door of the tent of meeting.

Berean Study Bible
Zechariah son of Meshelemiah was the gatekeeper at the entrance to the Tent of Meeting.

Douay-Rheims Bible
And Zacharias the son of Mosollamia, was porter of the gate of the tabernacle of the testimony:

English Revised Version
Zechariah the son of Meshelemiah was porter of the door of the tent of meeting.

King James Bible
And Zechariah the son of Meshelemiah was porter of the door of the tabernacle of the congregation.

World English Bible
Zechariah the son of Meshelemiah was porter of the door of the Tent of Meeting.

Young's Literal Translation
Zechariah son of Meshelemiah is gatekeeper at the opening of the tent of meeting.

1 Chronicles 9:21 Additional Translations ...