Κύρβις

[A term for] a busybody, whose notice it is not possible to evade; for as a mnemonic [the Athenians] used to put writings up on the billboards. It was a plaque, on which were the written laws. Or in the following sense: "gladly would I put up with anything in order to seem skilled in words to the masses¹ and knowledgeable of the laws."²