ventriloquist

n. expert in ventriloquism, one who is skilled in the art of speaking so that the voice seems to come from a source other than the speaker

Ventriloquism is an act of stagecraft in which a person (a ventriloquist) manipulates his or her voice so that it appears that the voice is coming from elsewhere. The act of ventriloquism is ventriloquizing.
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Noun
1. a performer who projects the voice into a wooden dummy
(hypernym) performer, performing artist

(n.)
One who practices, or is skilled in, ventriloquism.
  

To dream of a ventriloquist, denotes that some treasonable affair is going to prove detrimental to your interest.

If you think yourself one, you will not conduct yourself honorably towards people who trust you.

For a young woman to dream she is mystified by the voice of a ventriloquist, foretells that she will be deceived into illicit adventures.