'Companion' in the Bible

And they lay hold, each on the head of his companion, and his sword is in the side of his companion, and they fall together, and one calleth that place Helkath-Hazzurim, which is in Gibeon,

Thus says the Lord, ‘Behold, I will raise up evil against you from your own household; I will even take your wives before your eyes and give them to your companion, and he will lie with your wives in broad daylight.