A straightforward noun for a person without money or the poor in general. Can be used neutrally or with slight pity, but is not inherently derogatory.
He is a poor person, but he has a rich heart.
He doesn't hesitate to donate to the poor.
Even though he's poor, he bought a car.
It's rude to treat him as if he were poor.
The gap between the rich and the poor is widening.
貧乏人 means a poor person, the opposite of セレブ's image of wealth and glamour.
貧乏人 means a poor person, the direct opposite of お金持ち, a rich person.