2 John 1:7

1:7 For many deceivers have gone out into the world, people who do not confess Jesus as Christ coming in the flesh. This person is the deceiver and the antichrist!

2 John 1:9-10

1:9 Everyone who goes on ahead and does not remain in the teaching of Christ does not have God. The one who remains in this teaching has both the Father and the Son. 1:10 If anyone comes to you and does not bring this teaching, do not receive him into your house and do not give him any greeting,