arguer

/ˈɑrɡjuər/
noun
  1. A person who gives reasons or evidence to support or oppose an idea, plan, or opinion, often in a discussion or debate.
    • She is a skilled arguer who can convince almost anyone to see her side.
    • In the debate club, each arguer had three minutes to make their points.
    • The arguer presented a strong case for building a new park in the neighborhood.
  2. A person who frequently or habitually disagrees with others or starts arguments.
    • My uncle is such an arguer that he will challenge even the simplest statement.
    • Nobody wanted to sit next to the constant arguer at the dinner table.
    • Being an arguer all the time can make it hard to keep friends.
Antonyms
What does "arguer" mean? | whatsthatwordmean | whatsthatwordmean