Zealot(noun)
a person who is fanatical and uncompromising in pursuit of their religious, political, or other ideals.
Hindi meaning:कट्टरपंथी
Synonyms: Fanatic, Enthusiast, Extremist, Radical, Diehard
Antonyms: Conservative, Moderate
Example: The cult leader was a zealot who killed anyone who dared to question his principles.
Trick to remember: Lot of zeal hoti hai zealot me 
