An individual person who acts on his or her own initiative, without partners, especially one who has sole responsibility for doing something questionable, confidential, or iniquitous.
Someone who does not conform to accepted beliefs, customs or practices.
Loosely, a Christian who does not conform to the doctrines of an established church.
A member of a church separated from the Church of England; a Protestant dissenter.
A noctuid moth (Lithophane lamda).
Not conforming to established customs, etc.