'Brother' in the Bible

“Let everyone beware of his neighborAnd do not trust any brother.For every brother is a supplanter [like Jacob, a deceiver, ready to grab his brother’s heel],And every neighbor goes around as a slanderer.

Therefore thus says the Lord in regard to Jehoiakim the [second] son of Josiah, king of Judah,“The relatives will not lament (mourn over with expressions of grief) for him:‘Alas, my brother!’ or, ‘Alas, sister,’ [how great our loss]!The subjects will not lament for him:‘Alas, master!’ or ‘Alas, majesty [how great was his glory]!’

[For the future, in speaking of the words of the Lord] thus each of you shall say to his neighbor and to his brother, ‘What has the Lord answered?’ or, ‘What has the Lord spoken?’

And each man will no longer teach his neighbor and his brother, saying, ‘Know the Lord,’ for they will all know Me [through personal experience], from the least of them to the greatest,” says the Lord. “For I will forgive their wickedness, and I will no longer remember their sin.”

that every man should let his Hebrew slaves, male and female, go free, so that no one should make a slave of a Jew, his brother.

“At the end of seven years each of you shall set free his Hebrew brother who has sold himself [into servitude] or who has been sold to you and has served you six years, you shall release him from [serving] you; but your forefathers did not listen [submissively] to Me or obey Me.

“Therefore says the Lord, ‘You have not obeyed Me; you have not proclaimed liberty to your brother and your countryman. Behold (listen very carefully), I am proclaiming liberty to you—[liberty to be put] to the sword, [liberty] to [be ravaged by] the virulent disease, and [liberty] to [be decimated by] famine,’ says the Lord; ‘and I will make you a horror and a warning to all the kingdoms of the earth.

The message which Jeremiah the prophet commanded Seraiah the son of Neriah, the grandson of Mahseiah, when he went with Zedekiah the king of Judah to Babylon in the fourth year of his reign. Now this Seraiah was chief chamberlain or quartermaster [and brother of Baruch].