NOTE: Every time The LORD Jesus Christ is coming to the earth (including at the Rapture), He sends servant (s) who has got the "Spirit of Elijah" to restore the altar of The LORD and to sweep and to clean up the altar of The LORD. This was so when He came the first time to be born when John The Baptist cleaned the altar, this will also be so when He comes for the Rapture, this will also be so during The Great Tribulation when the Two witnesses (one of them) will play this role. So "the Spirit of Elijah" that restores the altar is not on one person but on many who play the role of "a voice of one calling in the desert, prepare ye the way of The LORD and make straight His path."
Shalom!!! Shalom!!! Shalom!!!