'Brother' in the Bible

The LORD told Moses, "Remind your brother Aaron that at no time is he to enter the sacred place from the room that contains the curtain into the presence of the Mercy Seat on top of the ark. Otherwise, he'll die, because I will appear in a cloud at the Mercy Seat.

"You are not to expose the nakedness of your father's brother by having sexual relations with his wife. She's your aunt.

"You are not to have sexual relations with your brother's wife. She's the nakedness of your brother.

except his close relatives his mother, father, son, daughter, brother, or

"If your brother becomes so poor that he has to a sell portion of his inheritance, then his nearest kinsman redeemer is to come and redeem what his brother has sold.

"If your brother with you becomes so poor that he sells himself to you, you are not to make him serve like a bond slave.