Type One, also known as the Reformer, is one of the nine personality types in the Enneagram system. Individuals of this type are characterized by their strong sense of ethics, responsibility, and desire for improvement. They strive for perfection and often hold themselves and others to high standards, seeking to make the world a better place. On the positive side, Type Ones are disciplined, reliable, and principled. However, they may struggle with feelings of frustration or resentment when things do not meet their expectations. Their journey often involves learning to balance their ideals with acceptance of imperfection in themselves and others.