insider

US /ɪnˈsaɪ.dɚ/
UK /ɪnˈsaɪ.dɚ/
"insider" picture
1.

initié, personne de l'intérieur

a person within a group or organization, especially someone who has special knowledge or access to information not available to outsiders

:
As an insider, she knew all the secrets of the company.
En tant qu'initiée, elle connaissait tous les secrets de l'entreprise.
The police suspect an insider helped the thieves.
La police soupçonne un initié d'avoir aidé les voleurs.