The phrase "mentor role" refers to the position of someone who guides and supports another person, sharing their knowledge and experiences to help them learn and grow. Full definition
In the structured mentoring program feature, scholars are matched with experienced faculty mentors who provide guidance in professional development, a model for students to reference when assuming mentor roles, and opportunities for networking. (ucea.org)
They perform supervisory and mentor role for organizations. (bestsampleresume.com)
He is one of the arsenal players who despite being great in his own right was overshadowed by those around him... Such was the quality we had in the squad during his time... So I hope that his situation improves financislly or at the very least we offer him a some kind of paid coaching / mentor role at Arsenal to help him get out of this mess... (justarsenal.com)