ringleader
n. கலகத்தலைவன்.
Ring"lead`er, n. 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.