Noun: crusader kroos'ey-du(r)
- A disputant who advocates reform
"The environmental crusader fought tirelessly for stricter pollution laws";
- reformer, reformist, social reformer, meliorist
- A warrior who engages in a holy war
"the Crusaders tried to recapture the Holy Land from the Muslims"
Derived forms: Crusaders, crusaders
Type of: controversialist, disputant, eristic, warrior
Encyclopedia: Crusader