The Khilafah is a common leadership for all the Muslims in the world. Its role is to establish the laws of the Islamic Shari'ah and to carry the Da'wah of Islam to the world.

Muslim narrated on the authority of al-A'araj, on the authority of Abu Hurayrah, that the Prophet (saw) said: "Behold, the Imam is but a shield from behind whom the people fight and by whom they protect themselves."
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