IPA: /kənˈtrɛəriənɪzəm/
KK: /kənˈtrɛəriənˌɪzəm/
The beliefs and actions of someone who often opposes or disagrees with the majority opinion.
His contrarianism made him unpopular in the group, as he always challenged the common views.
Contrarianism → It is formed from "contra-" (meaning against) and "-arian" (meaning one who practices or advocates). The word describes a belief system or behavior characterized by opposing or resisting popular opinion or trends.
Think of someone who is 'against' ('contra-') the majority view — that's what contrarianism means.