Can you plz tell me the brother mentioned in the following hadith is related to blood bro,or any muslims bro.?

Answered by 

The Prophet Muhammad (peace be upon him) said: “The greatest deception of all deceptions is to lie to your brother when he believes all that you say.” Sahih Bukhari, Hadith 395.

Answer:

The word ?brother? is general. It includes blood brothers as well as any Muslim.

and Allah Ta’ala Knows Best

Mufti Ebrahim Desai

Original Source Link

This answer was collected from Askimam.org, which is operated under the supervision of Mufti Ebrahim Desai from South Africa.

Link