'Poor' in the Bible

Lifting the poor out of the dust, and him who is in need out of the lowest place, to give them their place among rulers, and for their heritage the seat of glory: for the pillars of the earth are the Lord's and he has made them the base of the world.

And when the Philistine, taking note, saw David, he had a poor opinion of him: for he was only a boy, red-haired and good-looking.

And Saul's servants said these things to David. And David said, Does it seem to you a small thing to be the king's son-in-law, seeing that I am a poor man, of no great name?