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English definition of “infiltrator”

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infiltrator

noun [C] uk   /ˈɪn.fɪl.treɪ.tər/ us    /-t̬ɚ/
a person who secretly becomes part of a group in order to get information or to influence the way the group thinks or behaves: The infiltrator was identified and killed.
Translations of “infiltrator”
in Chinese (Traditional) 臥底人員…
in Chinese (Simplified) 卧底…
(Definition of infiltrator from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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