Ayatollah Sayyid Mohammad-Ali Mousavi Jazayeri ( Persian : محمدعلی موسوی جزایری ) (born 1941) is an Iranian Twelver Shia cleric , who was the representative of Vali-Faqih (Guardianship of the Islamic Jurist) in Khuzestan province from 1983 to 2019. He was elected by the order of Sayyid Ruhollah Khomeini , who was the previous Supreme Leader of Iran .