Kabir
Kabir (1398–1518 CE): 14–15  was a well-known Indian mystic poet and sant. His verses are found in Sikhism's scripture Guru Granth Sahib, the Satguru Granth Sahib of Saint Garib Das, and Kabir Sagar of Dharamdas. Today, Kabir is an important figure in Hinduism, Sikhism and in Sufism. Born in the city of Varanasi in what is now Uttar Pradesh, he is known for being critical of organized religions. He questioned what he regarded to be the meaningless and unethical practices of all religions, primarily what he considered to be the wrong practices in Hinduism and Islam.