clasher

/ˈklæʃər/
noun
  1. A person or thing that clashes, especially someone who often argues or disagrees.
    • As a clasher of opinions, she never backs down from an argument.
    • The two players are frequent clashers on the basketball court.
    • He's a known clasher in the office, always starting debates.
Antonyms
What does "clasher" mean? | whatsthatwordmean | whatsthatwordmean