In his trip to the holy city of Qom on Saturday, Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei met some marja taqlids, including grand ayatollahs Hossein Nouri Hamadani, Jafar Sobhani, and Hossein Vahid Khorasani, ISNA reported. A marja taqlid is a Shiite cleric who is regarded as a source of emulation.