Possible Clues:

• One who puts clothes on sideboard
• It has shelves he's putting his things on
• Surgeon's assistant, one coming into line?
• Furniture seen backstage by actor
• Actor's assistant with revealing chest
• Furniture item the same if top were bottom, upside down
• Assistant in one kind of theatre or another
• Part of a bedroom suite
• Piece of bedroom furniture
• Lady's maid's big chest