Another Opinion About Mahdi

Al-Mahdi is "the rightly-guided one" who, according to Islamic Hadiths (traditions), will come before the end of time to make the entire world Muslim. In Sunni and Shia eschatology, the Mahdi ( مهدي‎ / Guided One) is the prophesied redeemer of Islam who will stay on Earth for seven, nine or nineteen years (according to various interpretations) before the Day of Judgment (yawm al-qiyamah / literally, the Day of Resurrection) and, alongside Jesus, will rid the world of wrongdoing, injustice and tyranny.

In Shia Islam, the belief in the Mahdi is a "powerful and central religious idea" a 10th generation grandson of prophet Mohammed and closely related as the Twelfth Imam, Muhammad al-Mahdi, whose return from occultation is deemed analogous with the coming of the Mahdi.

He will have divine men upholding his call (to the true Religion) and aiding him in his victory; they are the Helpers (wuzara'). They will bear the burdens of (his) government and help him to carry out all the details of (the duty) God has imposed on him.

He will manifest Religion as it (really) is in Itself, the Religion by which the Messenger of God would judge and rule if he were there. He will eliminate the different schools (of religious law) so that only the Pure Religion  remains, and his enemies will be those who follow blindly the 'ulama', the people of ijtihad,because they will see the Mahdi judging differently from the way followed by their imams. 

So they will only accept the Mahdi's authority grudgingly and against their will, because of their fear of his sword and his strength and because they covet (the power and wealth) that he possesses. But the common people of the Muslims and the greater part of the elite among them will rejoice in him, while the true Knowers of God among the People of the spiritual Realities will pledge allegiance to him because of God's directly informing them (of the Mahdi's true nature and mission), through (inner) unveiling and immediate witnessing.