Here's one that takes me back five decades. He is taller than me. Am is the understood, elliptical or left out, verb at the end of the sentence. The subject of a verb must be in the nominative case. Big banks don't loan money to poor people.
Loan is a noun.
One needs a verb, perhaps lend. The subject of a gerund must be in the possessive case. There are a couple of points. I attended Philadelphia's Benjamin Franklin High School, graduating in 1954. During those days, Benjamin Franklin was a predominantly black school attended by the city's poorest children.