'Brother' in the Bible

and Jehovah said to Moses, Speak unto Aaron thy brother, that he come not at all times into the sanctuary inside the veil before the mercy-seat which is upon the ark, that he die not; for I will appear in the cloud upon the mercy-seat.

The nakedness of thy father's brother shalt thou not uncover; thou shalt not approach his wife: she is thine aunt.

Thou shalt not hate thy brother in thy heart; thou shalt earnestly rebuke thy neighbour, lest thou bear sin on account of him.

except for his immediate relation, who is near unto him for his mother, and for his father, and for his son, and for his daughter, and for his brother;

If thy brother grow poor, and sell of his possession, then shall his redeemer, his nearest relation, come and redeem that which his brother sold.

And if thy brother grow poor, and he be fallen into decay beside thee, then thou shalt relieve him, be he stranger or sojourner, that he may live beside thee.

Thou shalt take no usury nor increase of him; and thou shalt fear thy God; that thy brother may live beside thee.

And if thy brother grow poor beside thee, and be sold unto thee, thou shalt not compel him to serve as a bondservant:

And if a stranger or sojourner become wealthy beside thee, and thy brother beside him grow poor, and sell himself unto the stranger, who is settled by thee, or to a scion of the stranger's family,