A person who engages in fisticuffs; a pugilist.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "fisticuffer" in a sentence
"Muhammad Ali is the fisticuffer of choice for all manner of deep thinkers."
"Club, which is the British shrine of boxing, where I saw a fight for one of the championship belts that Lord Lonsdale is forever bestowing on this or that worshipful fisticuffer."
"Don't mention the word when hit's 'im' eld the life of my Tom in 'is two' ands, and but for they cruel rocks that battered 'is fore'ead would ha' throttled them rascal pushers same as rattan in tarrier's grip; for my man 'olds there was ne'er a fisticuffer like' im in hall the Jackets."