"Connoisseur" Natural Recordings by Native Speakers
A connoisseur is a person who has a deep and refined knowledge or appreciation of a particular subject, such as art, music, wine, or food. A connoisseur is an expert or a person with a high level of understanding or discerning taste in a particular field.
A conniver is a person who is cunning and deceitful, often trying to deceive or manipulate others for their own gain or advantage. Someone who is a conniver might be dishonest, untrustworthy, or sneaky, and they often use deceit, trickery, or duplicity to get what they want.