No, they're not ... where are the Christian stormtroopers busting perverts' heads for Jesus?
No need for that (unless someone comes to my front door dressed in a g-string, then you will see some butt kicking). The proper course for this is government authorities according to the Bible.
Vengeance is inherently good. God said, "Vengeance is Mine." Individuals, however, are not to avenge themselves, but are to allow God to avenge in His way: Beloved, do not avenge yourselves, but rather give place to wrath; for it is written, "Vengeance is Mine, I will repay," says the Lord. Rom. 12:19 (see also Lev. 19:18) While Paul instructs people not to seek their own revenge, but to "give place to wrath." Paul then explains that the proper channel for wrath is the "governing authorities." The government is the "place" for wrath and vengeance: Let every soul be subject to the governing authorities... For rulers are not a terror to good works, but to evil. Rom. 13:1, 3 Godly rulers are a terror to evil doers. Note that God’s two witnesses in Revelation "tormented those who dwell on the earth" (Rev. 11:10). God through Paul specifically commands earthly governments to execute criminals with the sword: For [the governing authority] is God’s minister to you for good. But if you do evil, be afraid; for he does not bear the sword in vain; for he is God’s minister, an avenger to execute wrath on him who practices evil. Rom. 13:4