zealot
[noun]
Synonyms: fanatic, bigot, enthusiast, extremist, militant

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Related Words: adherent, disciple, follower, partisan, sectary

[TahlilGaran] English Synonym Dictionary ▲

zeal‧ot /ˈzelət/ noun [countable]
[Date: 1500-1600; Language: Late Latin; Origin: zelotes, from Greek zelos; ⇒ zeal]
someone who has extremely strong beliefs, especially religious or political beliefs, and is too eager to make other people share them:
religious zealots
—zealotry noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲