The response to Guru Nanak’s message unfolded in many shades, reflecting the diverse social and religious landscape in which he moved. Large numbers of ordinary people—farmers, artisans, merchants, and spiritual seekers—were drawn to his call for devotion to one God, honest living, and sharing with others. Those who were disillusioned by rigid ritualism and sectarian divisions found in his hymns and teachings a path of practical spirituality and inner transformation. Over time, a distinct community of disciples formed around him, composed of followers from both Hindu and Muslim backgrounds, who regarded him as a saintly Guru and oriented their lives around his teachings.

For those on the margins of society, his message carried a particularly liberating force. People from so‑called lower castes and other marginalized groups responded warmly to his rejection of caste hierarchy and his affirmation of the equal spiritual dignity of every human being. Women, too, were included in his spiritual vision, and conservative elements resisted this widening of religious participation. The emphasis on equality, service, and the direct remembrance of the Divine offered many an alternative to the social constraints that had previously limited their religious lives.

At the same time, his teachings provoked resistance from established religious authorities. Orthodox Hindu priests and Brahmins opposed his critique of caste privilege and elaborate ritual practices, while some Muslim clerics regarded his message with suspicion, seeing in it a challenge to their doctrinal authority. Both Hindu and Muslim elites could perceive in his rejection of empty formalism and priestly monopoly a threat to entrenched power structures. In some places this led to debate, criticism, and hostility, even as other rulers and local elites extended respect and hospitality to him as a peaceful and saintly figure.

Many observers, especially at the outset, were puzzled or curious rather than immediately accepting or rejecting. His way of speaking about the formless Divine, his use of music and poetry, and his insistence on an inner, ethical transformation invited questions and philosophical dialogue. Such encounters sometimes deepened understanding of his message and, for some, opened the door to discipleship. Over the course of his life, the sincerity of his conduct and the coherence of his teachings gradually earned him wide reverence across social and religious boundaries, even among those who did not formally join his path.