crusader

noun5

1. •
   (figurative) A person engaged in a crusade.
2. •
   (historical) A fighter or participant in the medieval Crusades.

   • the crusaders of the Middle Ages
3. •
   (offensive) An American, especially a soldier or leader who wages war against Islamist militants.
4. •
   (offensive) A Westerner; a Christian, especially of European descent or a missionary.
5. •
   (offensive) (either attributively or in the plural) The United States and its Western allies.