trainee
US /ˌtreɪˈniː/
UK /ˌtreɪˈniː/

1.
tirocinante, apprendista
a person undergoing training for a particular job or profession
:
•
The new trainee is learning quickly.
Il nuovo tirocinante sta imparando velocemente.
•
She started her career as a management trainee.
Ha iniziato la sua carriera come tirocinante di gestione.