#accomplice__confederate  a person who joins with another in carrying out some plan (especially an unethical or illegal plan)
  supertype:  assistant__helper__help__supporter  a person who contributes to the fulfillment of a need or furtherance of an effort or purpose; "my invaluable assistant"; "they hired additional help to finish the work"
  subtype:  steerer__decoy  a beguiler who leads someone into danger (usually as part of a plot)
     subtype:  roper.steerer  a decoy who lures customers into a gambling establishment (especially one with a fixed game)
     subtype:  shill  a decoy who acts as an enthusiastic customer in order to stimulate the participation of others

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