A supporter of the arts is someone who contributes to the advancement of the arts in some way. An EASEL is a frame used to hold a canvas or other surface for painting or drawing, so an EASEL supporter of the arts would be someone who provides materials for artists to use. A PATRON of the arts is someone who financially supports artists and their work, so a PATRON supporter of the arts would be someone who donates money to help fund art projects. Finally, a DONOR of the arts is someone who donates artwork or other items to support the arts, so a DONOR supporter of the arts would be someone who donates artwork or other items to help promote the arts.