1) Arab group 
The Nakhawila (النخاولة) are a community of Arab Hijazi Shias who live in the city of Medina in Saudi Arabia. They are Twelver Shi`a ; a branch of Shia Islam that forms majority of shias worldwide and predominant in the Eastern Province of Saudi Arabia as well. The religious leader of Shia community in Medina was Sheikh Muhammad Ali al-Am....