Fanatic(adjective)
Filled with or expressing excessive zeal.
Hindi meaning:कट्टरपंथी
Synonyms: Zealot, Extremist, Dogmatist, Sectarian, Bigot, Chauvinist, Radical
Antonyms: Conservative, Moderate
Example: Because my father is a football fanatic, he hasn’t missed any of his team’s home games in ten years.
Trick to remember: Dharm ke mamle me fana hona tik samjte hai Fanatic. 
