4 Bible Verses about Man Of Sin

Do not let anyone deceive you about this in any way. That day will not come unless apostasy (a falling away from truth) takes place first, and the man of lawlessness (sin), the man of destruction, is revealed. (2 Timothy 4:3)

Everyone who practices (exercises) sin also commits lawlessness, because sin is lawlessness.

He opposes and exalts himself above every so-called god and object of worship. As a result, he seats himself in the sanctuary of God and declares (promotes) himself to be like God. (Ezekiel 28:2)

He will use every kind of wicked deceit on those who will perish. They will perish because they did not welcome and love the truth so as to be saved.