Here is the first translation into English of 2 Thess. 2:3 :
"3 [That] No man deceive you in any manner. For but dissension come first [For no but departing away, or dissension, shall come first], and the man of sin be showed, the son of perdition,"
The "dissension" foretold by St. Paul is evidenced in your YouTube upload as regards (and I quote you, even though you try to weasel out of it by citing the Seventh Day Adventists) "the evil Roman Catholic Church", whereby for all your filthy Calvins and Luthers you throw away the very source of what you claim to espouse, the Holy Bible as the inerrant word of God.
Daniel 8:23-25 convicts your fairy tale exposition of the rapture, and your efforts to excommunicate St. Paul.
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St. Elijah (cf. §784, Catholic Catechism),
St. John the Baptist (cf. §785, Catholic Catechism),
Edward Palamar Popovich (cf. §786, Catholic Catechism),
the Resurrected Prophet of the Most High (Luke 1:76),
whom Jesus Christ calls "the Elias who was to come" (Matthew 11:14),
enjoying the rapture of Christ's love in the duty of
Petrus Romanus (Peter the Roman, cf. St. Malachy Prophecy),
the Sign of the Son of Man in Heaven (Matthew 24:30)