abdicator
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1 one who renounces power (n.) C2 Proficiency Formala person who officially gives up a powerful position, such as a throne.
one who formally renounces a high office, sovereign power, or a throne.
ExampleThe king became an abdicator after deciding he could no longer lead his country.
ExampleHistory remembers him as a reluctant abdicator, forced to surrender his crown during the political upheaval of the mid-century revolution.
UsageThe noun is countable and typically refers to political or royal contexts.
Teacher's tipThis word is rare in modern speech; 'abdication' is much more common than the person-noun 'abdicator'.
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2 one who fails in duty (n.) C2 Proficiency Formalsomeone who stops doing their job or responsibility when they should continue.
one who fails to fulfill a duty or responsibility.
ExampleCritics called the manager an abdicator for leaving the team during the crisis.
ExampleThe board viewed the CEO as an abdicator of his fiduciary duties following the collapse of the merger.
UsageOften used with 'of' to specify the responsibility being abandoned.
Teacher's tipUse this sense to describe a moral or professional failure rather than a legal resignation.
From abdicate + -or.