profesionista
professional
profession
profession
+
-ista
person who does
Profesionista means professional and can be thought of as profession0 + -ista1 (person who does1), literally meaning 'a person who does a profession'.
noun
- professionalA person with a professional degree or qualificationMi hermana es una profesionista en el campo de la medicina. // My sister is a professional in the field of medicine.