administrator · noun C /ədˈmɪn.ɪˌstreɪt̬.ər/Full view
C1 someone who helps to manage an organization
Dictionary example:

She is an administrator at the hospital.

Learner example:

As a[n] ex-army officer and an administrator in an international firm, I am learning to work as a member of a team. (Certificate in Advanced English; C1; Greek)

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