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 male fan who is obsessive about a particular subject (especially, something or someone in popular entertainment media).
To worship, support, drool over the object of affection; to be a fanboy.