The term “outsider artist” has been controversial since Roger Cardinal first coined it in the early 1970s. While it’s still part of the art-world lexicon, for some gallerists, the phrase feels particularly restrictive. “It’s limiting, for sure. You’re forced to start off conversations with prospective clients by defending the work,” says veteran New York dealer Skot Foreman. “It’s a handicap. It’s an obstacle, but one that I think can be overcome.”