A decorator is a professional who specializes in the decoration of INTERIOR spaces. An INTERIOR decorator, also known as an INTERIOR designer, is someone who plans and coordinates the design of INTERIOR spaces. A draper is a person who makes and sells drapery, which is a type of fabric used for window treatments, upholstery, and other decorative purposes. An adorner is someone who adds decorations to something in order to make it more attractive. A paperer is someone who hangs wallpaper, which is a type of decorative paper used to cover walls. All of these professionals are considered decorators, as they specialize in the decoration of INTERIOR spaces.