{i} one with a special interest in something, enthusiast; one who breeds animals or plants
A person with a special interest, attraction or liking for something. An aficionado
One who fancies or has a special liking for, or interest in, a particular object or class or objects; hence, one who breeds and keeps for sale birds and animals; as, bird fancier, dog fancier, etc
An animal or plant fancier is a person who breeds animals or plants of a particular type or who is very interested in them. pigeon fanciers. see also fancy. pigeon/horse etc fancier someone who breeds or is interested in a particular kind of animal or plant