Then why is the church not mentioned after chapter four of revelation until the end of Revelation? It is because the church left, The Bridegroom came for His bride and we are "caught up" To meet Him in the air.
That is not true. It is not mentioned even in Revelation 4. Only the Apostle Paul is.
Revelation 12:
17 And the dragon was enraged with the woman,
and went to make war with the remnant of her seed,
who keep the commandments of God
and have the testimony of Jesus Christ.
Revelation 14:
6 And I saw another angel fly in the midst of heaven,
having the everlasting Gospel to preach to them who dwell on the Earth,
and to every nation, and kindred and tongue, and people,
7 saying with a loud voice,
“Fear God and give glory to Him,
for the hour of His judgment is come,
and worship Him Who made Heaven and Earth, and the sea and the fountains of waters.”
8 And there followed another angel, saying,
“Babylon is fallen, is fallen, that great city,
because she made all nations drink of the wine of the wrath of her fornication.”
9 And the third angel followed them, saying with a loud voice,
“If any man (or woman) worship the beast and his Image,
and receive his mark in his forehead or in his hand,
10 the same shall drink of the wine of the wrath of God,
which is poured out without mixture into the cup of His indignation,
and he (or she) shall be tormented with fire and brimstone
in the presence of the holy angels and in the presence of The Lamb;
11 and the smoke of their torment ascends up forever and ever,
and they have no rest day nor night,
who worship the beast and his image,
and whosoever receives the mark of his name.”
12 Here is the patience of the Saints;
here are they who keep
the commandments of God
and the faith of Jesus.”
Revelation 22:
12 “And, behold, I come quickly;
and My reward is with Me to give every one according to his work.
13 I am Alpha and Omega, The Beginning and The End, The First and The Last.”
14 Blessed are they who do His commandments,
that they may have right to the Tree of Life,
and may enter in through the gates into the City.
15 But outside are dogs and sorcerers and sexually immoral and murderers and idolaters
and whosoever loves and practices a lie.