A chocolatier or simply a chocolate maker. Technically it depends whether the person is making chocolate (that person is a chocolate maker) or if he is making candies from chocolate (that person is a chocolatier).
Confectioner, but Chocolatier has a nice sound.
What We call a person who makes sculpture
A chocolatier is a person who makes or sells chocolate.
A person who makes of
What We call a person who makes sculpture
laxatives get some at a drugstore
A person who makes maps is a cartographer.
You might call a person who makes burgers a "hamburger cook," "cook," or "grill chef."
A person who makes cart wheels is a wheelwright.
We can call them as Boat Builders.
The person is a steel-worker.