* Noun: This is the most common usage, referring to a person who guides and advises another.
* Example: "My mentor helped me navigate my career path."
* Verb: It can also be used as a verb meaning "to act as a mentor to someone."
* Example: "She mentored several young professionals in the company."
* Adjective: Although less common, it can also be used as an adjective to describe something related to a mentor.
* Example: "The mentor program provides valuable support to new employees."
So, it depends on the context!