noun (n)

• a person who fells trees(noun.person)

  Synonym:
  feller, logger, lumberjack, lumberman
  

  source: wordnet30
• a person who falls(noun.person)

  Example:
  One of them was safe but they were unable to save the faller.
  A faller among thieves.
  

  source: wordnet30
• One who, or that which, falls.(noun)

  source: webster1913