Mindfulness plays a crucial role in Humanistic Buddhism as it is considered to be one of the core teachings of the philosophy. It is a practice that involves being fully present in the moment, without judgment or attachment, and cultivating a deep awareness of one's thoughts, feelings, and surroundings.

In Humanistic Buddhism, mindfulness is seen as a means to develop compassion and understanding towards oneself and others. By being mindful, one is able to see beyond their own ego and connect with the suffering of others, leading to a deeper sense of empathy and compassion.

Additionally, mindfulness is also seen as a tool for self-transformation and personal growth. By being aware of one's thoughts and emotions, individuals can better understand their patterns of behavior and make positive changes in their lives. This aligns with the humanistic approach of Buddhism, which emphasizes the potential for personal growth and development through self-awareness.

Furthermore, mindfulness is also seen as a way to cultivate inner peace and reduce suffering. In the fast-paced and often stressful modern world, the practice of mindfulness allows individuals to slow down, be present, and find inner calm and clarity. This is especially relevant in today's society, where stress, anxiety, and mental health issues are prevalent.

Moreover, the practice of mindfulness in Humanistic Buddhism also extends to social and environmental awareness. By being mindful of our actions and their impact on others and the environment, we can act with greater compassion and responsibility towards all beings.

Overall, the role of mindfulness in Humanistic Buddhism is to cultivate compassion, self-awareness, inner peace, and social responsibility. It is a practice that is relevant and necessary in today's world, where there is a great need for empathy, understanding, and personal growth. By incorporating mindfulness into our daily lives, we can not only improve our own well-being but also contribute to a more compassionate and harmonious society.