New Revised Standard Version
Many deceivers have gone out into the world, those who do not confess that Jesus Christ has come in the flesh; any such person is the deceiver and the antichrist!

Contemporary English Version
Many liars have gone out into the world. These deceitful liars are saying Jesus Christ did not have a truly human body. But they are liars and the enemies of Christ.

New American Bible
Many deceivers have gone out into the world, those who do not acknowledge Jesus Christ as coming in the flesh; such is the deceitful one and the antichrist.

Douay-Rheims Bible
For many seducers are gone out into the world who confess not that Jesus Christ is come in the flesh. This is a seducer and an antichrist.

For many seducers are gone out into the world who confess not that Jesus Christ is come in the flesh. This is a seducer and an antichrist.

many.

2 Peter 2:1-3 But there were also false prophets among the people, even as there shall be among you lying teachers who shall bring in sects of perdition and deny the Lord who bought them: bringing upon themselves swift destruction. . . .

1 John 2:18-22 Little children, it is the last hour: and as you have heard that Antichrist cometh, even now there are become many Antichrists: whereby we know that it is the last hour. . . .

1 John 4:1 Dearly beloved, believe not every spirit, but try the spirits if they be of God: because many false prophets are gone out into the world.

who.

John 1:14 And the Word was made flesh and dwelt among us (and we saw his glory, the glory as it were of the only begotten of the Father), full of grace and truth.

1 Timothy 3:16 And evidently great is the mystery of godliness, which was manifested in the flesh, was justified in the spirit, appeared unto angels, hath been preached unto the Gentiles, is believed in the world, is taken up in glory.

1 John 4:2 By this is the spirit of God known. Every spirit which confesseth that Jesus Christ is come in the flesh is of God:

Revelation 12:9 And that great dragon was cast out, that old serpent, who is called the devil and Satan, who seduceth the whole world. And he was cast unto the earth: and his angels were thrown down with him.

Revelation 13:14 And he seduced them that dwell on the earth, for the signs which were given him to do in the sight of the beast: saying to them that dwell on the earth that they should make the image of the beast which had the wound by the sword and lived.

This is.

1 John 2:22 Who is a liar, but he who denieth that Jesus is the Christ? This is Antichrist, who denieth the Father and the Son.

1 John 4:3 And every spirit that dissolveth Jesus is not of God. And this is Antichrist, of whom you have heard that he cometh: and he is now already in the world.