Chef is a man, who's cooking food in restaraunts, cantinas, etc.
Designer is a man, who's decorating and projecting something with a certain style.
Librarian is a man, who's administrating the library and helping the customers with the choice of book, recommends the certain author, etc.
Doctor is a man, who's working at the hospital and curing the patients.
Lawyer is a man, who's protecting the interests of some man in the courthouse.