stylist
Theoretically, you could call that person a braider, but more likely you would call them a hair stylist.
a plumber.
a boatwright
Horologist
Hairdresser, hair stylist, barber.
bald man
A hairstylist.
You call them by their name...
Aircraft mechanic
barber
A person who shaves their hair totally would be called bald. Or else a "skinhead."
A person with black hair is still a brunette. Keep in mind that there are only three hair colors for humans: blond, red (a mutation), and black. Everything else is a combination of genes.