English to English

noun (n)

• someone who takes the place of another (as when things get dangerous or difficult)

  seseorang yang mengambil tempat lain (seperti ketika keadaan jadi berbahaya atau sulit)

  Example:
  We need extra employees for summer fill-ins.
  

  Synonym:
  backup, backup man, relief, reliever, stand-in, substitute
  

  source: wordnet30