ranter

ranter
    n 1: someone who rants and raves; speaks in a violent or loud
         manner [syn: {ranter}, {raver}]
    

Ranter \Rant"er\ (r[a^]nt"[~e]r), n.
   1. A noisy talker; a raving declaimer.
      [1913 Webster]

   2. (Eccl. Hist.)
      (a) One of a religious sect which sprung up in 1645; --
          called also {Seekers}. See {Seeker}.
      (b) One of the Primitive Methodists, who seceded from the
          Wesleyan Methodists on the ground of their deficiency
          in fervor and zeal; -- so called in contempt.
          [1913 Webster]
    

62 Moby Thesaurus words for "ranter":
      Herod, Holy Willie, Joseph Surface, Mawworm, Pecksniff, Pharisee,
      Tartuffe, affecter, blatherskite, bluff, bluffer, blusterer,
      braggart, bravo, bucko, bully, bullyboy, canter, canting hypocrite,
      debater, declaimer, demagogue, dissembler, dissimulator, fanfaron,
      formalist, haranguer, hector, hectorer, hypocrite, jawsmith,
      lip server, lip worshiper, panelist, pharisee, pietist,
      pious fraud, poser, public speaker, rabble-rouser, raver,
      religionist, religious hypocrite, roisterer, sniveler, snuffler,
      speaker, speecher, speechifier, speechmaker, spieler,
      spiritual humbug, spokesman, spokeswoman, spouter, swaggerer,
      swashbuckler, swasher, talker, tub-thumper, vaporer,
      whited sepulcher