1. upholster - Noun
2. upholster - Verb
An upholsterer.
To furnish (rooms, carriages, bedsteads, chairs, etc.) with hangings, coverings, cushions, etc.; to adorn with furnishings in cloth, velvet, silk, etc.; as, to upholster a couch; to upholster a room with curtains.
A broker.
Source: Webster's dictionary