tipster vs adviser

tipster and adviser both are nouns.

Word	Noun	Adjective	Verb	Adverb
tipster	Yes	No	No	No
adviser	Yes	No	No	No

As nouns, adviser is a hypernym of tipster; that is, adviser is a word with a broader meaning than tipster:

tipster: one who sells advice about gambling or speculation (especially at the racetrack)
adviser: an expert who gives advice

Other hypernyms of tipster include advisor, consultant.

tipster (noun)	adviser (noun)
one who sells advice about gambling or speculation (especially at the racetrack)	an expert who gives advice