#debater__arguer  someone who engages in debate
  supertype:  disputant  a person who disputes; who is good at or enjoys controversy
  subtype:  devil's_advocate__devil'sadvocate  someone who takes the worse side just for the sake of argument
  subtype:  disprover__rebutter__refuter  a debater who refutes or disproves by offering contrary evidence or argument
  subtype:  wrangler  someone who argues noisily or angrily

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