'Needy' in the Bible

Thus saith Jehovah: For three transgressions of Israel, and for four, I will not revoke its sentence; because they have sold the righteous for silver, and the needy for a pair of shoes;

Hear this word, ye kine of Bashan, that are in the mountain of Samaria, that oppress the poor, that crush the needy, that say to their lords, Bring, and let us drink:

For I know how manifold are your transgressions and your sins mighty: they afflict the just, they take a bribe, and they turn aside the right of the needy in the gate.

Hear this, ye that pant after the needy, even to cause to fail the poor of the land,

that we may buy the poor for silver, and the needy for a pair of shoes; and that we may sell the refuse of the wheat.