dubber

noun

1. One who dubs, or gives a name.

   “[…]thus to knight someone lacking in virtue dishonoured the dubber.”

2. A person who records or adds a dubbed soundtrack to a film.
3. (UK, obsolete, slang)A person's mouth or tongue.

   “"Well, Sal, you mum your dubber pretty generally, but when you do slacken your glib you may as well do it civilly."”

   “"Shut your dubber. Think you're a regular duchess, you do, eh? I ain't answering no more questions."”

4. A globular vessel or bottle of leather, used in India to hold ghee, oil, etc.