One whose profession involves convincing others of facts and opinions that may not be totally accurate.
Entremaneurs are often charismatic; they appear trustworthy, knowledgeable, and sincere. Also, they prefer acceptance of their message without discussion, research, or dissension.
Entremaneurs are found in politics, religion, all types of commercial enterprises, and in the media.
The friendly well-dressed entremaneur easily convinced the couple that they needed to buy additional insurance.