2 Thessalonians 2:3

3 aLet no one deceive you in any way. For that day will not come, bunless the rebellion comes first, and cthe man of lawlessness
Some manuscripts sin
is revealed, ethe son of destruction,
Greek  the son of perdition (a Hebrew idiom)

2 Thessalonians 2:8

8And then gthe lawless one will be revealed, whom the Lord Jesus hwill kill with ithe breath of his mouth and bring to nothing by jthe appearance of his coming.
Copyright information for ESV