'Companion' in the Bible
He said to them, "Thus says Yahweh, the God of Israel, 'Every man put his sword on his thigh, and go back and forth from gate to gate throughout the camp, and every man kill his brother, and every man his companion, and every man his neighbor.'"
But Samson's wife was [given] to his companion, whom he had used as his friend.
Her father said, "I most certainly thought that you had utterly hated her; therefore I gave her to your companion. Isn't her younger sister more beautiful than she? Please take her, instead."
Then the Philistines said, "Who has done this?" They said, "Samson, the son-in-law of the Timnite, because he has taken his wife, and given her to his companion." The Philistines came up, and burnt her and her father with fire.
But it was you, a man like me, my companion, and my familiar friend.
One who walks with wise men grows wise, but a companion of fools suffers harm.
Whoever keeps the law is a wise son; but he who is a companion of gluttons shames his father.
Whoever loves wisdom brings joy to his father; but a companion of prostitutes squanders his wealth.
Yet you say, 'Why?' Because Yahweh has been witness between you and the wife of your youth, against whom you have dealt treacherously, though she is your companion, and the wife of your covenant.