contrarian /kən-trâr′ē-ən/ noun One who takes a contrary view or action, especially an investor who makes decisions that >contradict prevailing wisdom, as in buying securities that are unpopular at the time.
A person who habitually takes a view opposite to that held by the majority. “the contrarians in the stock market prefer to sell when most analysts advise us to buy”
A person who expresses a contradicting viewpoint, especially one who denounces the majority persuasion.
The American Heritage® Dictionary of the English Language, 5th Edition • More at Wordnik
so Chinese dissidents or any political dissident such as Martin Luther King Jr or Jewish people in Germany during the Nazi Reign are by this definition contrarian trolls that denounced the majority persuasion?