IPA: /ˈbrɔːlər/
KK: /ˈbrɔːlər/
A person who fights in a noisy and disorderly way, often in a rough or aggressive manner.
The brawler was known for starting fights at the bar every weekend.
Brawler → It is formed from "brawl" (from Middle English *brawlen*, meaning to quarrel or fight) and "-er" (meaning a person who). A brawler is a person who engages in fights or quarrels.
Think of someone who is always 'fighting' or 'quarreling' — that's what a brawler does.