ringleader

ringleader is a   Noun

Definition:

[1] The leader of a circle of dancers; hence, the leader of a number of persons acting together; the leader of a herd of animals. A primacy of order, such an one as the ringleader hath in a dance. Barrow.

[2] Opprobriously, a leader of a body of men engaged in the violation of law or in an illegal enterprise, as rioters, mutineers, or the like. The ringleaders were apprehended, tried, fined, and imprisoned. Macaulay.

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