MATHRĀ DĀS, BHĀĪ, of Āgrā, was a pious Sikh of the time of Gurū Arjan. Although a poor labourer, the door of his humble house was always open for visiting Sikhs. The Gurū, records Bhāī Manī Siṅgh, Sikhāṅ dī Bhagat Mālā, was much impressed by his readiness to serve others in spite of his meagre means.