After the Rapture (The Rapture is when Jesus will gather His followers together in heaven. See John 14:2-3), a religious leader will arise. The Bible refers to him as the False Prophet because while he claims to be from God he is, in fact, inspired by Satan.
He will team with Satan and the Antichrist to form an unholy trinity. Satan imitates the Father, The Antichrist imitates the Son, and the False Prophet imitates the Holy Spirit. And, just as the Holy Spirit draws people to Jesus, the False Prophet draws people to the Antichrist.
The Bible lays out how he will accomplish this goal:
“Then I saw another beast coming up out of the earth, and he had two horns like a lamb and spoke like a dragon.” (Revelation 13:11)
The False Prophet will appear to be a man of peace and unity. That’s why Revelation 13:11 says he has horns like a lamb. But he will speak like a dragon. His message will be against the Bible and Christians.
“And he exercises all the authority of the first beast [the Antichrist] in his presence, and causes the earth and those who dwell in it to worship the first beast, whose deadly wound was healed.” (Revelation 13:12)
The False Prophet will unite the world’s religions. While the idea of all religions coming together as one sounds wonderful all religions do not teach the same thing. Truth is not relative; it is absolute. One teaching is right. The others are wrong.
Jesus said that He is the Way, the Truth, and the Life and that no man can go to heaven and be with God except through Him (John 14:6). One road leads to God, the rest lead away from Him. Those who follow this one world religion are the enemies of God and will be separated from Him in hell forever (Matthew 7:13-14).
“He performs great signs, so that he even makes fire come down from heaven on the earth in the sight of men.” (Revelation 13:13)
In order to gain a greater following, the False Prophet will perform many miracles and the world will be amazed. But don’t be deceived. Satan comes disguised as an angel of light (2 Corinthians 11:14-15) and so do his followers. Like Matthew 7:15 says, "Watch out for false prophets. They come to you in sheep's clothing, but inwardly they are ferocious wolves.”
“And he deceives those who dwell on the earth by those signs which he was granted to do in the sight of the beast, telling those who dwell on the earth to make an image to the beast who was wounded by the sword and lived." (Revelation 13:14)
He starts out peaceful like a lamb, unites the world’s religions and performs miraculous feats. Once he has gained the trust of the world, the False Prophet will command that an image of the Antichrist be made.
He will then show his true colors.
“He was granted power to give breath to the image of the beast [Antichrist], that the image of the beast should both speak and cause as many as would not worship the image of the beast to be killed.” (Revelation 13:15)
After performing another miracle – making the image of the beast speak – he will kill those who refuse to worship the image. But those who refuse to worship should be encouraged. Jesus told us not to fear those who can kill the body, but rather fear those who can kill the body and cast the soul into hell (Matthew 10:28). For those who follow Christ, death is not to be feared because to be absent from the body is to be present with the Lord (2 Corinthians 5:8).