And they will not teach each one his neighbor and each one his brother (adelphon | ἀδελφόν | acc sg masc) saying, ‘Know the Lord,’ for they will all know me from the least of them to the greatest.
And those of the sons of Levi who receive the priestly office have a mandate according to the law to collect a tithe from the people, that is, from their fellow countrymen (adelphous | ἀδελφούς | acc pl masc), although they too come from the loins of Abraham.
For this reason, holy brothers (adelphoi | ἀδελφοί | voc pl masc), you who share in the heavenly calling, consider that the apostle and high priest of whom our confession speaks, Jesus,
Therefore he was obligated to become like his brothers (adelphois | ἀδελφοῖς | dat pl masc) in every respect, so that he could become a merciful and faithful high priest in the service of God, to make propitiation for the sins of the people.
when he says, “I will proclaim your name to my brothers (adelphois | ἀδελφοῖς | dat pl masc); in the midst of the congregation I will sing your praise.”
For the one who sanctifies and those who are sanctified are all of one origin. That is why Jesus is not ashamed to call them brothers (adelphous | ἀδελφούς | acc pl masc),
