The term "semi-professional" refers to a person who possesses a certain level of proficiency in a particular field but is not considered a full-time professional. Synonyms for this term include "part-time professional," "amateur enthusiast," "hobbyist," and "prosumer." Each of these terms conveys a sense of someone who pursues a particular interest or field with a high degree of skill, but does not necessarily rely on it for their primary source of income. Other synonyms for "semi-professional" may include "non-careerist," "casual practitioner," or "occasional expert." Overall, these synonyms help to highlight the unique position held by individuals who pursue a particular field with passion and expertise without fully committing to it as a full-time career.