협조cooperation; help; support 구조rescue 보조help; subsidy 보조원assistant 보조적being supplementary 보조적supplementary; auxiliary 조언advice 공조cooperation; mutual assistance 구조대relief squad; rescue unit 구조대원rescue worker

대역stand-in; stuntman; substitution 역할role; part 역할극role-playing 퇴역retirement 하역loading and unloading 현역being active; being current; being incumbent 고역toil; drudgery 교역자religious worker 노역toil; drudgery; exertion 단역minor role; supporting role