This article examines the nature of moral dilemmas mentors from three different national groups (Jewish, Druze, and Arab) encounter in their work in Israeli Arab schools. The findings suggest that in a context of political and cultural friction, such as mentoring in Arab schools in Israel, mentors from different national groups experience professionally moral dilemmas in their mentoring encounters in which personal core values such as truth, integrity, human rights, and physical well-being alongside professional values such as commitment, work ethics, and professionalism are at stake.