A man does not seem to mean “an angel,” as in Zechariah 1:8, for he has no message to deliver or mission to perform; but he is to be considered rather as a mere figure in the vision, performing an action for which, indeed, he is implicitly rebuked.
Related Commentaries of Zechariah 2:1
Zechariah 2:1
1 I lifted up mine eyes again, and looked, and behold a man with a measuring line in his hand.