'Friends' in the Bible

Now when Saul's old friends saw him among the band of prophets, the people said to one another, What has come to Saul, the son of Kish? Is even Saul among the prophets?

And when David came to Ziklag, he sent some of the goods to the responsible men of Judah, and to his friends, saying, Here is an offering for you from the goods of those who were fighting against the Lord;