To sign "barber" just add the AGENT sign to "cut hair."
In everyday usage though you can just sign, "TOMORROW I GO CUT-HAIR"
(Tomorrow I'm going to the barber), or "I WANT WORK CUT-HAIR" (I
want to be a barber), or "YOUR DAD MAJOR CUT-HAIR?" (Is your dad a
American Sign Language University ™ ASL resources by Lifeprint.com © Dr. William Vicars