In the book of Daniel we find this about the Antichrist:
He shall speak pompous words against the Most High,
Shall persecute the saints of the Most High,
And shall intend to change times and law.
Then the saints shall be given into his hand
For a time and times and half a time. Dan.7:25
Here Daniel 7 is talking specifically about the Antichrist doing this changes right before he takes power for 3 ½ years. (Rev.13:5).
Several Jewish organizations have been preparing in the last years, for the construction of the 3rd temple and everything is almost ready, including the priesthood, temple tools & the red heifer (calf) for the purification of the temple. There are several plans and models to rebuild the temple. This one includes a compound structure with eight prayer houses, 4 for each main religion & 4 mystic religions including Kabbalah. (Using the Dome of the Rock).
The word Antichrist means = One who opposes Christ, or who puts himself in the place of Christ, a false Christ.
In the Scriptures we find 2 main concepts of Antichrist:
1 / A spirit – That operates in false believers, heretics, etc. who oppose Jesus Christ Divinity, His teachings, etc. (1 John 2: 22-23, 2 Jn.1:7) and of these kind there are many in the world. But also there are some men who usurp Christ’s place and who call themselves saviors, messiahs, etc. So they operate under the influence of this spirit of antichrist.
2 / A man – The bible also speaks of a particular man coming, the man of sin, the son of perdition, that by Satan’s works at the end of times, will make great signs and that will oppose Jesus Christ teachings and put himself in Christ’s place, deceiving many.