An electrophotographic photoreceptor which has extremely good wear resistance while maintaining the residual electric potential, a cartridge which uses said electrophotographic photoreceptor, and an image forming device are provided. This electrophotographic photoreceptor comprises a photosensitive layer disposed on a conductive support body, and is characterized by the photosensitive layer containing a charge transport material, a binder resin, and a compound represented by general formula (1) having a 350 or lower molecular weight.