antichrist noun [ S ] (also Antichrist, anti-christ, Anti-Christ, anti-Christ) uk/ˈæn.ti.kraɪst/ us/ˈæn.t̬i.kraɪst/
religion specialized敌基督;反对基督（教）者 someone who is believed to be an enemy of Jesus Christ or of the Christian religion
They claim that those who act against the Church are antichrists and heathens.
He writes that one way of discerning an anti-christ is by asking whether he believes in Jesus Christ.