disabler

/dɪsˈeɪblər/
noun
  1. A person or thing that disables something or someone.
    • The computer virus acted as a disabler, shutting down the entire network.
    • The new safety device is a disabler that stops the engine if the driver is drunk.
    • He was known as a disabler of old traditions, always pushing for change.
Antonyms
What does "disabler" mean? | whatsthatwordmean | whatsthatwordmean