Webster's 1828 Dictionary
CRUSADER
n.A person engaged in a crusade.
Webster's 1913 Dictionary
CRUSADER
CRUSADER Cru *sad "er (-s "dr ), n.
Defn: One engaged in a crusade; as, the crusaders of the Middle Ages. Azure-eyed and golden-haired, Forth the young crusaders fared. Longfellow.
New American Oxford Dictionary
crusader
cru sad er |kro͞oˈsādər kruːˈseɪdər | ▶noun 1 ( Crusader ) a fighter in the medieval Crusades. 2 a person who campaigns vigorously for political, social, or religious change; a campaigner: crusaders for early detection and treatment of mental illness.
Oxford Dictionary
crusader
crusader |kruːˈseɪdə | ▶noun 1 ( Crusader ) a fighter in the medieval Crusades. 2 a person who campaigns vigorously for political, social, or religious change; a campaigner: crusaders for early detection and treatment of mental illnesses.
American Oxford Thesaurus
crusader
crusader noun she was a crusader against domestic violence: campaigner, fighter, champion, advocate; reformer.
Oxford Thesaurus
crusader
crusader noun campaigner, fighter, battler; champion, advocate, promoter, enthusiast; reformer.
Sanseido Wisdom Dictionary
crusader
cru s á d er 名詞 C 1 (改革の )熱心な運動家 .2 〖C- 〗〘史 〙十字軍戦士 .