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English definition of “aid worker”

aid worker

noun [C]    
someone who is working in a country where there is a war, no food, etc., in order to help peopleJobs, careers and professionsWorkingPeople who help or serve people professionallyHelpers and accomplicesDoctors and health workers generallySocial services and sanitation
(Definition of aid worker noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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a person or group who receives money, advantages, etc. as a result of something else

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