NET
22 Who is the liar but the person who denies that Jesus is the Christ ? This one is the antichrist: the person who denies the Father and the Son.
Darby
22 Who is the liar but he who denies that Jesus is the Christ? *He* is the antichrist who denies the Father and the Son.
KJV
22 Who is a liar but he that denieth that Jesus is the Christ? He is antichrist, that denieth the Father and the Son.