noun
a fervent and even militant proponent of something
• Ant: ↑nonpartisan (for: ↑partisan)
• Derivationally related forms: ↑partisanship (for: ↑partisan)
• Hyponyms: ↑bigot, ↑dogmatist, ↑doctrinaire
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\\ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷\ noun : one that beats the drum for an idea, doctrine, or policy : a vociferous supporter of a cause
drumbeater for United States intervention in World War II — Ralph de Toledano
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/drum"bee'teuhr/, n.
a person who vigorously proclaims or publicizes the merits of a product, idea, movie, etc.; press agent.
[DRUM1 + BEATER]
Useful english dictionary. 2012.