(n.) An advocate of, or believer in, traditionalism; a traditionist.

Methuselah antediluvian antique back number conservative dad dodo elder fogy fossil fud fuddy-duddy granny has-been longhair matriarch mid-Victorian mossback old believer old crock old dodo old fogy old liner old man old poop old woman old-timer patriarch pop pops precisian precisionist reactionary regular old fogy relic square starets