An artist with a well-honed business sense, able to provide a living for her/himself off their creative work.
"The life of an artrepreneur can be quite trialling at times, but I can't imagine a life more satisfying than one sustained by other people paying to enjoy your art."
Five-year-old: Our mom's funny-boned female sibling makes computer-beep noises to both amuse us and get our attention when we need to listen up; she's a real auntrepreneur!