Designer
Part of speech: noun
Definition: A person who designs, as profession.
Part of speech: adjective
Definition: Created by a designer, especially a fashion designer.
Example sentence: There are many designers who have much greater talent as a designer than I do, but they may not have my drive, they may not work as hard, they may not have the focus, the desire... You have to have a talent because, at the end of the day, if the pants you design don't make someone's butt look great, they're not going to buy them.
Couturier
Part of speech: noun
Definition: a person who designs haute couturea company that is owned by, or employs such a person; a fashion house