[f. as prec. + -ER1.] One who exposes (in senses of vb.).
1611. in Cotgr., s.v. Exposeur.
1676. Marvell, Mr. Smirke, 18. I shall henceforward take notice of him as the Church of Englandss Exposer, for I can never admit him by any Analogy to be an Expositor.
1772. Hist. Europe, in Ann. Reg., 99*/2. The overthrower of Bolingbroke, and the exposer and detector of his dangerous fallacies.
1870. Hardy & Ware, Mod. Hoyle, Whist, 3. If the exposer denies that he has shown the card.
1885. Law Times, LXXX. 115/1. Their exposure for sale in England rendered the exposer liable to conviction.