The prophecy now uses language which goes beyond the literal Zerubbabel. ‘In that day [in the day that these empires will be thrown down], says the LORD of hosts, will I take thee, O Zerubbabel, my servant.
The prophecy of Haggai is primarily written to stir up our hearts and call us to self-examination. It is written to charge our spirits, our dispositions, to be all out for the Lord and the building up of his house. That is why the book applies to us today as much as to them.