Paul warns about the destruction of the lawless one (see 2:3). This man This figure pretends to be divine, puts his cult above all other worship (2:4), and gains power from Satan (2:9). However, the Lord Jesus will completely destroy him (Isaiah 11:4).
majesty: This refers to Christ’s appearance, in Greek, epiphaneia ("epiphany") (1 Timothy 6:14; 2 Timothy 1:10; 4:1, 8; Titus 2:13). This is another way to describe Christ’s coming or revelation (2 Thessalonians 2:1; 1 Thessalonians 2:19; 3:13; 4:15; 5:23; 2 Thessalonians 1:7). In ancient writings, an epiphany was when a god appeared or showed divine power, inspiring worship.