noun (n)

• someone who (fraudulently) assumes the appearance of another

  seseorang yang (fraudulently) menyakinkan penampilan lain

  Synonym:
  impersonator
  

  source: wordnet30
• someone who copies the words or behavior of another

  seseorang yang salinan perkataan atau perilaku lain

  Synonym:
  ape, aper, copycat, emulator
  

  source: wordnet30
• One who imitates.

  yang meniru.

  source: webster1913