The term 'was a mentor to' can be summarized by three crossword solutions: ADVISED (7 letters), GUIDED (6 letters), and NURTURED (8 letters). Mentoring is a relationship between two people, usually an experienced person and a less experienced person, in which the mentor provides guidance, advice, and support. The mentor may advise the mentee on career decisions, provide emotional support, and help them develop skills and knowledge. The mentor may also guide the mentee through difficult situations, helping them to make decisions and find solutions. Finally, the mentor may nurture the mentee, encouraging them to reach their goals and providing them with the resources they need to succeed.