The Scripture that you cited, 1 Thessalonians 4:13-18 is referring to those who have died (”are alseep”) who believed in Christ. Paul is saying that when Jesus comes in the clouds to receive His own to Himself (called the “rapture”) He will bring with Him those who have fallen asleep in Jesus—those believers who have died.
16 He will descend from heven with a shout, with the voice of the archangel, and with the trumpet of God; and the dead in Christ shall rise first—in other words, all those believers in Christ who have died before this will be raised first, ahead of the believers who are alive here on earth.
17 Then we who are alive and remain shall be caught up together with them in the clouds to meet the Lord in the air, and thus we shall always be with the LORD.
In other words, both believers in Christ who have died and believers in Christ who are still alive when He comes will be caught up together to be with Him forever, but those who have died in Him will be first. This is when we all get our new glorified bodies; this is the redemption of all our bodies.
So are you saying that everyone who has died in Christ will meet Jesus in the clouds as he leaves the heavenly throne?
If the LORD will come down from heaven first to meet the dead, where is the Church?
The Lord himself will come down from heaven,” “the dead in Christ will rise first....