Answer: troglodyte

AnswerCrossword Clue
TROGLODYTECave dweller.
TROGLODYTEOne who used to go clubbing?
troglodytea member of any of various peoples (as in antiquity) who lived or were reputed to live chiefly in caves
troglodyteA hermit
troglodytea person of degraded, primitive, or brutal character.
troglodyte(esp. in prehistoric times) A person who lived in a cave
troglodyteA person who is regarded as being deliberately ignorant or old-fashioned