The Sadrist Movement (Arabic: التيار الصدري‎‎ al-Tayyār al-Sadri) is an Iraqi Islamic national movement led by Muqtada al-Sadr. The movement draws wide support from across Iraqi society and especially from the Shi'a poor in the country. The most important person in setting the goals and the philosophy of the movement was Grand Ayatollah Mohammad Mohammad Sadeq al-Sadr. A prominent preceding influence had also been Mohammad Baqir al-Sadr. The movement is religious and populist. Its goal is a society ordered by a combination of religious laws and tribal customs. The Islamic Virtue Party is a smaller, rival branch of the Sadrist movement.