Definition of abnegator in US English:

abnegator

noun

formal
  • See abnegate

    • ‘Are they perverted abnegators who, due to emotional deficit, are unable to experience the full affect of soul/pop/classical music?’
    • ‘Prominent among the ‘peacemakers’ are the Pacifists; these people are the ultimate abnegators of responsibility, they surrender power to absolutely anyone who threatens to abuse it.’

Pronunciation

abnegator

/-ˌɡātər/