'Brother' in the Bible

Ananias departed, and entered into the house. Laying his hands on him, he said, "Brother Saul, the Lord, who appeared to you on the road by which you came, has sent me, that you may receive your sight, and be filled with the Holy Spirit."

He killed James, the brother of John, with the sword.

Now in the assembly that was at Antioch there were some prophets and teachers: Barnabas, Simeon who was called Niger, Lucius of Cyrene, Manaen the foster brother of Herod the tetrarch, and Saul.

They, when they heard it, glorified God. They said to him, "You see, brother, how many thousands there are among the Jews of those who have believed, and they are all zealous for the law.

came to me, and standing by me said to me, 'Brother Saul, receive your sight!' In that very hour I looked up at him.