One who advises another, especially officially or professionally
To give recommendations to (someone) about a decision or course of action
Or maybe, the right mentor had chosen him.
Andre had been his confidante and mentor whose guidance had helped him navigate his role as the Immortals. leader.
He recalled too little of Jame's wisdom, but the disjointed words of his mentor soothed him nonetheless.
Augustine describes a day when he saw his mentor, Ambrose, looking intently at an open book.
The traitor Tennes was put to death, but Mentor rose high in the favour of the king, and entered into a close alliance with the eunuch Bagoas, the king's favourite and vizier.