Bhai literally means brother. In sikhs it is respectfully form of address called for brother. Learned sikhs and pious sikhs are acknowledged with the title of Bhai Sahib. It is used as synonymous to priests, Granthis and other employees working in Gurudwaras. It is also used as an ordinary title for al sikhs as Bhai Sahib.

'Brother', title of respect given for piety and/or learning.

India Lit. 'Younger brother' but gave rise to the call for servant 'Boy'