'Brother' in the Bible

He must not defile himself even for his father or his mother or his brother or his sister if they die, because the separation for his God is on his head.

"Take the staff and assemble the community, you and Aaron your brother, and then speak to the rock before their eyes. It will pour forth its water, and you will bring water out of the rock for them, and so you will give the community and their beasts water to drink."

Moses sent messengers from Kadesh to the king of Edom: "Thus says your brother Israel: 'You know all the hardships we have experienced,

When you have seen it, you will be gathered to your ancestors, as Aaron your brother was gathered to his ancestors.

They said, "The Lord commanded my lord to give the land as an inheritance by lot to the Israelites; and my lord was commanded by the Lord to give the inheritance of our brother Zelophehad to his daughters.