Bhai Durga was a devout Sikh of the time of Guru Arjan Sahib. Once he, along with Bhai Paira, visited Guru Sahib. They asked Guru Sahib what was their duty as householders. Guru Sahib told them to earn honestly, share with the needy and the poor and meditate upon the Name of the Almighty.
(Dr Harjinder Singh Dilgeer)