'Friend' in the Bible

The one who has the bride is the bridegroom. But the friend of the bridegroom, who stands and hears him, rejoices {greatly} because of the bridegroom's voice. So this joy of mine is complete.

He said these [things], and after this he said to them, "Our friend Lazarus has fallen asleep, but I am going so that I can awaken him."

From this [point on] Pilate was seeking to release him, but the Jews shouted, saying, "If you release this man, you are not a friend of Caesar! Everyone who makes himself out to be a king opposes Caesar!"