Obs. rare. [ad. Gr. στασί-αρχος, f. στάσι-ς sedition + -αρχος ruler.] A ringleader in sedition.
1655. H. Lestrange, Reign K. Chas., 57. With the conjunction of these seven English, Lewes brake furiously in upon Subize the Stasiarch, the chief Rebel.
1666. Sir G. Wharton, Calend. Carolinum, Nov. But know (Ingrateful Stasiarchs!) you must Stoop, and lick Our English Dust.