Confrontationist is a term that refers to a person who is aggressive or confrontational in their behavior, attitudes, or actions. Some synonyms for this term include combative, confrontational, aggressive, argumentative, contentious, pugnacious, quarrelsome, and antagonistic. These words describe someone who is not afraid to challenge others, initiate conflicts and express their opinion in a forceful or argumentative way. Antonyms for confrontationist may include peaceful, pacifist, cooperative, or conciliatory. It's important to remember that using more neutral or positive language when describing an individual, rather than labeling them as strictly a confrontationist, can lead to more constructive and respectful interactions.