trumpeter vs instrumentalist

trumpeter and instrumentalist both are nouns.

Word	Noun	Adjective	Verb	Adverb
trumpeter	Yes	No	No	No
instrumentalist	Yes	No	No	No

As nouns, instrumentalist is a hypernym of trumpeter; that is, instrumentalist is a word with a broader meaning than trumpeter:

Other hypernyms of trumpeter include musician, player.

trumpeter (noun)	instrumentalist (noun)
large gregarious crane-like bird of the forests of South America having glossy black plumage and a loud prolonged cry; easily domesticated	someone who plays a music as a profession
large pure white wild swan of western North America having a sonorous cry
a musician who plays the trumpet or cornet
(formal) a person who announces important news