In the anime "Haikyuu!!", mentorship is portrayed as a crucial aspect of a young athlete's growth and development. Through the guidance and support of experienced players, coaches, and seniors, the main characters in the series are able to not only improve their skills on the court but also learn important life lessons. The mentors in the show provide encouragement, advice, and motivation to the younger athletes, helping them overcome challenges and reach their full potential. The bond between mentors and mentees is shown to be a source of inspiration, learning, and growth for the characters, highlighting the significance of mentorship in shaping young athletes both as players and individuals.