Someone who is unqualified or insufficiently skillful.
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.
Showing a lack of professionalism, experience or talent.
Non-professional.
Created, done, or populated by amateurs or non-professionals.
One who makes specious arguments; one who is disputatious.
A type of dialogue or argument where the participants do not have any reasonable goal. The aim is to argue for the sake of conflict, and often to see who can yell the loudest.
Provoking strife, controversy or discord.