trompetista
trumpeter
trumpet
a brass musical instrument
+
-ista
person who does something (occupation)
Trompetista means trumpeter and can be thought of as trumpet0 + -ista1, where -ista1 indicates a person who plays1 the instrument.
noun
- trumpeterA person who plays the trumpetEl trompetista tocó un solo impresionante. // The trumpeter played an impressive solo.