mentor
noun [ C ]
HR, WORKPLACE uk/ˈmentɔːr/ us/ˈmentər/a person with experience in a job who supports and advises someone with less experience to help them develop in their work:
He acted as a business mentor to many young aspiring entrepreneurs.
See also
mentee
mentor
verb [ T ]
uk/ˈmentɔːr/ us/ˈmentər/to support and advise someone with less experience to help them develop in their work:
The programme was set up to train and mentor small-business entrepreneurs.