Who are the four most prominent Maraje' of Taqleed in Najaf? Do we have a concept of one main Marja of Taqleed for the world like the Pope to avoid divisions based on having multiple authorities?
The main four Marja's in Najaf Ashraf are:
1. Aytullah Seestani who is followed by the majority of the Shia Muslims all over the world.
2. Ayatullah Sayyed Mohammad Saeed al-Hakeem.
3. Ayatullah Shaikh Eshaq al-Fayadh.
4. Ayatullah Shaikh Basheer al-Najafi.
The Marja' who is been followed by the majority of the Shia is called ( Al-Marja al-A'la) ( The highest Marja).
We have a system of our religious leadership based on highest degree of knowledge and piousness, which is quite different from Vatican.
Wassalam.