crusader

/kruˈseɪdər/
noun
  1. A person who campaigns vigorously for a cause, especially a moral or social one.
    • She was a crusader for environmental justice.
    • The crusader spoke at the rally about ending poverty.
    • He became a crusader for better healthcare in rural areas.
  2. A person who took part in the medieval Crusades.
    • Historians debate the motivations of the crusaders.
    • The crusader wore a cross on his armor.
    • A statue of a crusader stood in the town square.
What does "crusader" mean? | whatsthatwordmean | whatsthatwordmean