trainee
US /ˌtreɪˈniː/
UK /ˌtreɪˈniː/

1.
stagiaire, apprenti
a person undergoing training for a particular job or profession
:
•
The new trainee is learning quickly.
Le nouvel stagiaire apprend vite.
•
She started her career as a management trainee.
Elle a commencé sa carrière en tant que stagiaire en gestion.