An amateur; an untrained or incompetent person.
A type of drill operated by means of compressed air.
A shyster or con artist; a gambler who cheats; a generally dishonest or reprehensible person.
Dishonest, unscrupulous.
Ineptly built or operated; makeshift.
Amateur, untrained; incompetent.
A semiprofessional person.
Of or pertaining to a semiprofession.
Paid as a professional but on a part-time basis.
Of close to professional standard; prosumer.