Who is Roland from A Virtuous Woman and what is their importance?

Roland is the child that Tiny Fran had out of wedlock. She was consequently forced to marry Burr.Tiny Fran favors and spoils her son Roland while ignoring her daughter June. Roland becomes a spoiled an entitled sociopath who murders animals for fun, vandalizes property, and rapes a girl. Tiny Fran blames society for her son's misdeeds.