TROGLODYTE, n. Specifically, a cave-dweller of the paleolithic
period, after the Tree and before the Flat. A famous community of
troglodytes dwelt with David in the Cave of Adullam. The colony
consisted of "every one that was in distress, and every one that was
in debt, and every one that was discontented" -- in brief, all the
Socialists of Judah.
-- Ambrose Bierce, "The Devil's Dictionary"