cub reporter
US /kʌb rɪˈpɔːr.tər/
UK /kʌb rɪˈpɔːr.tər/

1.
a young, inexperienced reporter, especially one who is just starting out in the profession
:
•
The editor assigned the simple story to the new cub reporter.
•
She started her career as a cub reporter for a local newspaper.