Berean Standard Bible (BSB)
Who is the liar, if it is not the one who denies that Jesus is the Christ? This is the antichrist, who denies the Father and the Son.
World English Bible (WEB)
Who is the liar but he who denies that Jesus is the Christ? This is the Antichrist, he who denies the Father and the Son.
Strong's King James
Who{G5101} is{G2076}{(G5748)} a liar{G5583} but{G1508} he that denieth{G720}{(G5740)} that{G3754} Jesus{G2424} is{G2076}{(G5748)}{G3756} the Christ{G5547}? He{G3778} is{G2076}{(G5748)} antichrist{G500}, that denieth{G720}{(G5740)} the Father{G3962} and{G2532} the Son{G5207}.
The F.O.G *
Who is the liar, if not the one who denies that ישוע Yeshua is HaMashiach? This is the opponent of HaMashiach—the one who denies both the Abba and the Son.
The F.O.G Message *
Who is the real liar, if not someone who denies that Jesus is the Anointed Messiah? Such a person is an anti-Messiah and denies not only the Son but also the Abba Father.
Young's Literal Translation
Who is the liar, except he who is denying that Jesus is the Christ? this one is the antichrist who is denying the Father and the Son;