A person attached to a particular pursuit, study, science, or art (such as music or painting), especially one who cultivates any study, interest, taste, or attachment without engaging in it professionally.
Someone who is unqualified or insufficiently skillful.
Showing a lack of professionalism, experience or talent.
Non-professional.
Created, done, or populated by amateurs or non-professionals.
One who performs or does anything.
One who performs for, or entertains, an audience.