Four Deputies (النُواب الأربَعَة) of Imam al-Mahdi (a.s)-1. Uthman b. Sa’id

  The Four Deputies or Al-Nuwwāb al-Arbaʿa (Arabic: النُواب الأربَعَة), were four representatives or special deputies of Imam al-Mahdi (a.s) during the Age of Minor Occultation and provided the means of communication between Shi’a and Imam (a.s): Uthman b. Sa’id, Muhammad b. Uthman, Husayn b. Ruh and Ali b. Muhammad al-Samuri.