Answer: scrapper

AnswerCrossword Clue
SCRAPPERPugnacious sort
SCRAPPERGame fighter
SCRAPPERQuarrelsome one
SCRAPPERPlucky fighter.
SCRAPPERBoxer: Slang.
SCRAPPERPugilist: Slang.
SCRAPPERPugilist
SCRAPPERAggressive pugilist
SCRAPPERFighting man
SCRAPPERBrawler
scrappera fighter (one who fights (to contend in war, battle or single combat))