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English definition of “protagonist”

protagonist

noun [C] uk   /prəˈtæɡ.ən.ɪst/ us  

protagonist noun [C] (SUPPORTER)

an important supporter of an idea or political system: Key protagonists of the revolution were hunted down and executed.
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Supporters, members and defendersBelievers and non-believers

protagonist noun [C] (CHARACTER)

C2 literature, theatre & film formal one of the main characters in a story or a playCharacters in literature and film
(Definition of protagonist from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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