mossback

mossback
    n 1: an extremely old-fashioned conservative
    

Mossback \Moss"back`\, n.
   A veteran partisan; one who is so conservative in opinion
   that he may be likened to a stone or old tree covered with
   moss. [Political Slang, U.S.]
   [1913 Webster] Mossbanker
    

54 Moby Thesaurus words for "mossback":
      Methuselah, antediluvian, antique, back number, backwoodsman,
      bumpkin, clodhopper, conservationist, conservatist, conservative,
      dad, diehard, dodo, elder, fogy, fossil, fud, fuddy-duddy, granny,
      has-been, hayseed, hick, hillbilly, laudator temporis acti,
      longhair, matriarch, mid-Victorian, old believer, old crock,
      old dodo, old fogy, old liner, old man, old poop, old school,
      old woman, old-timer, patriarch, pop, pops, provincial,
      reactionary, regular old fogy, relic, right-winger, rightist,
      square, standpat, standpatter, starets, stick-in-the-mud,
      traditionalist, ultraconservative, yokel