Upon them — Against the nation that doth violence to my people. Unto their servants — Unto the Jews, who were first spoiled by, and then made servants to them. Hath sent me — To inform them of my father's will.
Related Commentaries of Zechariah 2:9
Zechariah 2:9
9 For, behold, I will shake mine hand upon them, and they shall be a spoil to their servants: and ye shall know that the LORD of hosts hath sent me.