Costumer (noun)

1. A person who designs, makes, or sells costumes.
2. A person who rents costumes to performers, such as actors or dancers.

Origin:

Derived from the middle english word "costumer" meaning "one who makes or sells clothe.s"

Examples:

1. The costumer designed and created the costumes for the school play.
2. She was a costumer for a theater company, making costumes for all the productions.
3. He was a costumer for a movie, creating period-appropriate costumes for the actors.
4. The costumer rented the costumes for the historical reenactment group.
5. The costumer went to the vintage store to buy clothes to make costumes for the party.