حزب الدعوة الإسلامية
In 1966 Fadlallah received an invitation from a group who had established a society called "Usrat Ataakhi" (The family of Fraternity) that became the Islamic Dawa Party in Lebanon to come and live with them in the area of Naba'a in Eastern Beirut. He agreed, especially as the conditions at Najaf impelled him to leave.