'Brother' in the Bible

The Lord said to Moses,“Tell Aaron your brother that he must not enter at any time into the Holy Place inside the veil (the Holy of Holies), before the mercy seat which is on the ark, or he will die, for I will appear in the cloud over the mercy seat.

You shall not uncover the nakedness of your brother’s wife; it is your brother’s nakedness.

‘You shall not hate your brother in your heart; you may most certainly rebuke your neighbor, but shall not incur sin because of him.

except for his relatives who are nearest to him, his mother, his father, his son, his daughter, and his brother,

‘If a fellow countryman of yours becomes so poor he has to sell some of his property, then his nearest relative is to come and buy back (redeem) what his relative has sold.

‘Now if your fellow countryman becomes poor and his hand falters with you [that is, he has trouble repaying you for something], then you are to help and sustain him, [with courtesy and consideration] like [you would] a stranger or a temporary resident [without property], so that he may live among you.

Do not charge him usurious interest, but fear your God [with profound reverence], so your countryman may [continue to] live among you.

‘And if your fellow countryman becomes so poor [in his dealings] with you that he sells himself to you [as payment for a debt], you shall not let him do the work of a slave [who is ineligible for redemption],

‘Now if the financial means of a stranger or temporary resident among you become sufficient, and your fellow countryman becomes poor in comparison to him and sells himself to the stranger who is living among you or to the descendants of the stranger’s family,