a. a person who produces works in any of the arts that are primarily subject to aesthetic criteria.
b. a person who practices one of the fine arts, especially a painter or sculptor.
c. a person whose trade or profession requires a knowledge of design, drawing, painting, etc.: a commercial artist.
d. a person who works in one of the performing arts, as an actor, musician, or singer; a public performer: a mime artist; an artist of the dance.
e. a person whose work exhibits exceptional skill.
– Courtesy of Dictionary.com