#stand-in__standin__substitute__relief__reliever__backup__backup_man__fill-in  someone who takes the place of another (as when things get dangerous or difficult); "the star had a stand-in for dangerous scenes"; "we need extra employees for summer fill-ins"
  supertype:  peer__equal__match__compeer  a person who is of equal standing with another in a group
  subtype:  locum_tenens__locum  someone (physician or clergyman) who substitutes temporarily for another member of the same profession
  subtype:  stunt_man__stuntman__double__stunt_woman  a stand-in for movie stars to perform dangerous stunts; "his first job in Hollywood was as a double for Clark Gable"
  subtype:  alternate__surrogate  someone who takes the place of another person

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