noun
A licensed professional who cuts, styles, and shaves hair, typically in a barbershop setting. In Japan, 理容師 is legally distinct from 美容師 (beautician), focusing on cutting and shaving rather than makeup and perms.
彼は理容師の免許を取って、自分の店を開いた。
He got his barber's license and opened his own shop.
理容師になるには国家試験
To become a barber, you must pass the national exam.
Compound of 理容 (riyō, 'barbering, hairdressing') + 師 (shi, 'master, professional'). 理容 itself is from 理 (ri, 'arrange, manage') and 容 (yō, 'appearance, form').