(1) The person who leads a congretional (jamaa) prayer (2) The Muslim leader who runs the Masjid (Mosque) (3) A Khalif (leader of the Muslim peoples) (4) A normal leader of Muslims, but this leader usually provides at least some spiritual guidance (5) Any one of 12 infallible members of the Ahlulbayt (family of the Prophet) (AS). (Shia) (6) Any one of the 4 recognised fallible grand scholars of the Ahlul Sunnah wal Jama`ah. (Sunni) (7) Any scholar who is deemed educated enough, usually a mujtahid (8) An `Alim (9) An Ayatollah (10) A Mufti (11) A person who is given the special status of Imam by God; e.g. Prophet Abraham (PBUH).