Even your mentors may need advice and instigation at some point. If you find you have a mentor who is ready to mistakenly pack it in, demonstrate to them why it’s important for them to act, take a stand, or confront what’s confounding them.
I did it recently, and it resulted in a last minute change of course on a major decision.
Do it yourself and some good will assuredly come from you standing up for the right course of action.