sahib vs European

sahib and European both are nouns.

Word	Noun	Adjective	Verb	Adverb
sahib	Yes	No	No	No
European	Yes	Yes	No	No

As nouns, European is a hypernym of sahib; that is, European is a word with a broader meaning than sahib:

sahib: formerly a term of respect for important white Europeans in colonial India; used after the name
European: a native or inhabitant of Europe

sahib (noun)	European (noun)
formerly a term of respect for important white Europeans in colonial India; used after the name	a native or inhabitant of Europe

sahib (adjective)	European (adjective)
	of or relating to or characteristic of Europe or the people of Europe