Answer:
C, Barber
Step-by-step explanation:
A barber is an professional individual that is know for cutting, washing and styling hair. A barber usually gets an education in barbing but not cosmetology to be able to get a barber license.
A barber mostly has male client but a cosmetologist has both male and female clients.
With the above being said, a barber career doesn't fall under cosmetology.
Cheers.