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English definition of “sidekick”

sidekick

noun [C]     /ˈsaɪd.kɪk/ informal
a person who works with someone who is more important than they are: I've been his sidekick for long enough - it's time I found myself something better to do.Supporters, members and defendersBelievers and non-believers
(Definition of sidekick noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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