firefighter
fire‧fight‧er
(also fire fighter) /ˈfaɪəˌfaɪtə $ ˈfaɪrˌfaɪtər/ noun [countable]

someone whose job is to stop fires burning ⇨ fireman
fire‧fight‧er
(also fire fighter) /ˈfaɪəˌfaɪtə $ ˈfaɪrˌfaɪtər/ noun [countable]
someone whose job is to stop fires burning ⇨ fireman