Correct option is C
The correct one-word for the given group of words is (c) Fatalist.
Fatalist: A person who believes that all events are predetermined and inevitable. (नियतिवादी)
Example: Being a fatalist, he didn’t try to change his situation and accepted everything as fate.
Meanings of the given other options:
· (a) Minimalist: One who lives with minimal material possessions. (कम से कम वस्तुओं में विश्वास रखने वाला)
· (b) Socialist: One who supports or practices socialism. (समाजवादी)
· (d) Catalyst: Someone or something that causes change. (परिवर्तन लाने वाला कारक)