The Gospel refers specifically to the good news of salvation through Jesus Christ, His death, burial, and resurrection. Thats core Gospel message which is primarily found in the New Testament, especially in the four Gospels (Matthew, Mark, Luke, John) and the Apostle Paul’s writings (such as 1 Corinthians 15:1-4).
If someone adds teachings beyond what the Bible explicitly states about salvation—such as adding works for salvation, introducing other gods, or teaching a different Christ—this could be considered a different Gospel. The core issue is whether the message aligns with the biblical truth about Jesus Christ alone.
As the Gospel is made of the OT and the New, The Father working in the OT, Jesus and the Holy Spirit in the NT, full stop, nobody else, adding another prophet is an addition a different gospel
The Apostle Paul addresses this in Galatians 1:6-9
"I am astonished that you are so quickly deserting the one who called you by the grace of Christ and are turning to a different gospel, which is really no gospel at all. Evidently some people are throwing you into confusion and are trying to pervert the gospel of Christ. But even if we or an angel from heaven should preach a gospel other than the one we preached to you, let them be under God's curse! As we have already said, so now I say again: If anybody is preaching to you a gospel other than what you accepted, let them be under God's curse."
This passage indicates that any gospel contrary to the one Paul preached—centered on Jesus Christ and His work alone is considered a serious deviation, and the phrase “let them be under God's curse” highlights its gravity.
While the term “antichrist” appears explicitly in 1 John and 2 John, the Bible warns about false teachers and doctrines that oppose the gospel and Christ, are associated with the spirit of the antichrist
The term "antichrist" itself is not directly used in 2 Thessalonians. The word "antichrist" appears in 1 John and 2 John, but in 2 Thessalonians, the Apostle Paul discusses a "man of lawlessness" or "son of perdition" which is referring to the antichrist figure.
2 Thessalonians 2:3-4"Don’t let anyone deceive you in any way, for that day will not come until the rebellion occurs and the man of lawlessness is revealed, the man doomed to destruction. He will oppose and will exalt himself over everything that is called God or is worshiped, so that he sets himself up in God’s temple, proclaiming himself to be God." (NIV)
The phrase "sets himself up in God's temple" is a blasphemous figure claiming divine authority. This exaltation of self-aligns with the characteristics of the antichrist. The idea of setting himself up in God's temple is a false messiah or deceiver claiming divine status. (like in manifestation of God or Jesus)
Paul warns believers not to be deceived by false teachings about the coming of the Lord (2 Thessalonians 2:1-2).
When someone teaches the true gospel (e.g., salvation through Jesus Christ alone) while also claiming to be a divine manifestation, this presents a serious problem because it adds to or distorts the biblical message.as this apart from or contrary to the biblical understanding of Jesus Christ, that is a deviation from the true gospel, even more so when that person teaches that they must follow the new revelation by him, that is a different gospel, associated with the works of the anti-Christ
I’ll recap it for you maybe you’ll grasp what I’m saying
The core gospel is centered on Jesus Christ as Lord and Savior, not on any other human claims of divinity.
Claiming to be a new manifestation of God and needing to follow new teaching is adding to or altering the gospel, which is warned against in Galatians 1:6-9. Paul emphasizes that any deviation from the true gospel, especially adding claims of divine status, constitutes a different gospel and is condemned.
