resetter

/ˌriːˈsɛtər/
noun
  1. A person or thing that resets something, such as a device or system.
    • This tool is a handy resetter for broken circuit breakers.
    • The technician was the resetter for all the office computers.
    • As the resetter of the game, he had to press the button every time someone lost.
Synonyms
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