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English definition of “custodian”

custodian

noun [C] uk   /kʌsˈtəʊ.di.ən/ us    /-ˈtoʊ-/
formal a person with responsibility for protecting or taking care of something or keeping something in good condition: the custodian of a museum/castle formal someone who tries to protect particular ideas or principles: She sees herself as a custodian of the public's morals. US for caretaker
(Definition of custodian from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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