translator vs linguist

translator and linguist both are nouns.

Word	Noun	Adjective	Verb	Adverb
translator	Yes	No	No	No
linguist	Yes	No	No	No

As nouns, linguist is a hypernym of translator; that is, linguist is a word with a broader meaning than translator:

translator: a person who translates written messages from one language to another
linguist: a person who speaks more than one language

Other hypernyms of translator include polyglot.

translator (noun)	linguist (noun)
a program that translates one programming language into another	a person who speaks more than one language
someone who mediates between speakers of different languages	a specialist in linguistics
a person who translates written messages from one language to another