Since the start of the revolt in Syria, the country’s Alawites have been instrumental in maintaining President Bashar al-Assad’s hold on power. A sect of Shia Islam, the Alawites comprise roughly 13 percent of the population and form the bulk of Syria’s key military units, intelligence services, and ultra-loyalist militias, called shabiha (“ghosts” in Arabic). As the uprising in Syria drags on, there are signs that some Alawites are beginning to move away from the regime. But most continue to fight for Assad -- largely out of fear that the Sunni community will seek revenge for past and present atrocities not only against him but also against Alawites as a group. This sense of vulnerability feeding Alawite loyalty is rooted in the sect’s history.