An adherent or fan (of something)
A person who is addicted, especially to a harmful drug
To make (someone) become devoted to a given thing or activity; to cause to be addicted.
To deliver (someone or something) following a judicial decision.
A serious, enthusiastic consumer: not professional (earning money), but of similar interest and skills to a (generally lower level) professional, or aspiring to such. The target market of prosumer equipment.
A person in postindustrial society who combines the economic roles of producer and consumer
Targeted at serious, enthusiastic consumers, incorporating professional features but often modified for non-professional use.
high-end