What is the primary role of a barber?

The primary role of a barber is to cut and style hair. Barbers are specially trained to provide grooming services that primarily focus on hair, including various cutting techniques, styles, and hair care. The foundational skills of a barber revolve around understanding different hair types and textures, mastering cutting tools, and creating styles that suit the client's preferences and facial structure.

While the other options do represent services that some professionals in the beauty industry might offer, such as permanent makeup, skin treatments, and hair coloring, these are not the central or defining functions of a barber. A barber's training and practice primarily emphasize hair cutting and styling skills, making this the most accurate answer regarding their primary responsibilities.