Was Kabir a Hindu or Muslim?

Kabir Das was a great saint who wrote both in favor of Hindus and Muslims. Was Kabir himself a Hindu or a Muslim ? (Kabir Das (IAST: Kabīr) was a 15th-century Indian mystic poet and saint, whose writings influenced Hinduism's Bhakti movement and his verses are found in Sikhism's scripture Guru Granth Sahib. His early life was in a Muslim family, but he was strongly influenced by his teacher, the Hindu bhakti leader Ramananda. Kabir was born in the Indian city of Varanasi. )