A Muslim ruler goes by many names such as emir, khalifah, hakim or khalif. No matter what he is called, a Muslim leader is always a representative of Allah on Earth in the eyes of the Islam religion.
Radical Muslims feel as if their leaders will unite all of Islam and dominate the entire world. These beliefs are different from those who follow the traditional Muslim religion. have different beliefs than others who follow the Muslim religion. Most modern Muslims are moving away from this kind of extremism thanks to a new generation of Muslim leaders, but extremists still exist.
As of 2014, leaders of Islam include Syedna Mufaddal Saifuddin and Aga Khan IV.