wardrobe master
US /ˈwɔːrdrəʊb ˌmæstər/
UK /ˈwɔːrdrəʊb ˌmæstər/

1.
a person responsible for the care and maintenance of costumes and clothing for a theatrical production, film, or television show
:
•
The wardrobe master ensured all costumes were clean and ready for the performance.
•
He worked as a wardrobe master on several Hollywood films.