By this you know the Spirit of God: every spirit that confesses that Jesus Christ has come in the flesh is from God, and every spirit that does not confess Jesus is not from God. And this is the spirit of the antichrist, of which you have heard that it is coming; and now it is already in the world.
If another member of the church sins against you, go and point out the fault when the two of you are alone. If the member listens to you, you have regained that one.