(n.) A tricky, deceitful fellow; a dishonest person; a rogue; a villain.
(n.) A playing card marked with the figure of a servant or soldier; a jack.
Example Sentences:
(1) This paper concludes with a brief summary of his personal qualities and asserts that it was these qualities, together perhaps with the discordance between the colonies, which allowed this knave to escape the penalty which he appeared amply to deserve.
(2) For example, suppose person A says, "I am a knight and B is a knight," and person B says, "A is a knave."
(3) Hislop is merely one very prominent example among many satirists and comedians, on screen, online and in print, who portray British politics as a nest of fools, knaves and incompetents.
(4) Knight-knave brain teasers are about a realm in which some people, knights, tell only truths, whereas all others, knaves, tell only lies.
(5) For the NHS as a whole we prescribe Barry Hines's A Kestrel for a Knave – its protagonist, Billy, is valiant, determined and full of promise – but grossly handicapped by an unsupportive family and a lack of funds.
Picaroon
Definition:
(n.) One who plunders; especially, a plunderer of wrecks; a pirate; a corsair; a marauder; a sharper.