The Hebrew charshannîm refers to craftsmen or skilled artisans — workers in wood, stone, or metal. The word appears in Zechariah 1:20 where four craftsmen (charshannîm) are sent to terrify and throw down the four horns that scattered Judah. It also appears in Nehemiah's lists of those who returned from exile, including craftsmen among the resettled communities.
The four charshannîm in Zechariah's vision represent divine agents sent to oppose every force that has scattered God's people. Where the four horns represent the hostile world powers that have driven Israel into exile, the four craftsmen represent God's counter-movement — His workers who will tear down what oppressed His people. The imagery of craftsmen as agents of divine restoration is fitting: they are builders who also demolish the old to make way for the new. God is always at work constructing His purposes in history.