'Poor' in the Bible

And Jesus looking upon him loved him, and said unto him, One thing thou lackest: go, sell whatsoever thou hast, and give to the poor, and thou shalt have treasure in heaven: and come, follow me.

And there came a poor widow, and she cast in two mites, which make a farthing.

And he called unto him his disciples, and said unto them, Verily I say unto you, This poor widow cast in more than all they that are casting into the treasury:

For this ointment might have been sold for above three hundred shillings, and given to the poor. And they murmured against her.

For ye have the poor always with you, and whensoever ye will ye can do them good: but me ye have not always.