pleader \plead"er\, n. f. plaideur.
   1. one who pleads; one who argues for or against; an
      advotate.
      1913 webster

            so fair a pleader any cause may gain. --dryden.
      1913 webster

   2. law one who draws up or forms pleas; the draughtsman of
      pleas or pleadings in the widest sense; as, a special
      pleader.
      1913 webster

pleader
     n : a lawyer who pleads cases in court syn: advocate, counsel,
          counselor, counsellor, counselor-at-law
see also:
advocate counsel counselor counsellor counselor-at-law 

86 moby thesaurus words for "pleader":
   abettor, actuator, advocate, agent, alter ego, alternate,
   amicus curiae, animator, apologete, apologist, apologizer,
   attorney, attorney-at-law, backup, backup man, barrister,
   barrister-at-law, cajoler, champion, coax, coaxer, counsel,
   counselor, counselor-at-law, defender, deputy, dummy, encourager,
   energizer, executive officer, exponent, figurehead, firer,
   friend at court, gadfly, galvanizer, impeller, inducer, inspirer,
   intercessor, justifier, lawyer, legal adviser, legal counselor,
   legal expert, legal practitioner, legalist, lieutenant, locum,
   locum tenens, mouthpiece, mover, moving spirit, paranymph,
   persuader, pinch hitter, prime mover, proctor, procurator,
   prompter, proponent, proxy, representative, sea lawyer,
   second in command, secondary, self-styled lawyer, solicitor, spark,
   spark plug, sparker, stand-in, stimulator, substitute,
   successful advocate, surrogate, tempter, understudy, utility man,
   vicar, vicar general, vice, vicegerent, vindicator, wheedler,
   whitewasher