#changer__modifier  a person who changes something; "an inveterate changer of the menu"
  supertype:  #person__individual__someone__somebody__mortal__human__human_being__humanbeing__soul  a human being; "there was too much for one person to do"
  subtype:  #adulterator  a changer who lessens the purity or effectiveness of a substance
  subtype:  #normalizer__normaliser  a person who normalizes
  subtype:  #standardizer__standardiser  a person who sets a standard for things to conform to

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