The term or title antichrist, in Christian theology, refers to a leader who fulfills Biblical prophecies concerning an adversary of Christ

New Testament view on Jesus' life

The four canonical gospels of the New Testament are the primary sources of information for the doctrinal Christian narrative of the life of Jesus. There is not a single New Testament "view" on the life of Jesus, the four Canonical gospels tell different but connected stories...

, while resembling him in a deceptive manner. The antichrist will seemingly provide for the needs of the people but deny them ultimate salvation

Salvation

Within religion salvation is the phenomenon of being saved from the undesirable condition of bondage or suffering experienced by the psyche or soul that has arisen as a result of unskillful or immoral actions generically referred to as sins. Salvation may also be called "deliverance" or...

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The term "antichrist" appears five times in 1 John and 2 John of the New Testament — once in plural form and four times in the singular.