A person with extensive knowledge or ability in a given subject.
A player ranking just below master.
Extraordinarily capable or knowledgeable.
Characteristic of an expert.
A teacher or faculty member at a college or university regardless of formal rank.
The most senior rank for an academic at a university or similar institution, informally also known as "full professor."
A pianist in a saloon, brothel, etc.
The puppeteer who performs a Punch and Judy show; a Punchman.