The term 'BARBER's job' refers to the profession of barbering, which involves providing a variety of services related to hair care. This includes trimming, shaving, cutting, and giving haircuts. Trimming is the process of removing excess hair from the face or head using scissors or clippers. Shaving is the process of removing facial hair with a razor. Cutting is the process of using scissors or clippers to shape and style the hair. Finally, a HAIRCUT is the process of cutting and styling the hair in a particular way.