People Hospitalized After Rogue Wave High Tide Ventura California Slams Into Southern Beachgoers 9

Peoples is used when we talk about two or more. People is a collective noun. He was always energetic and positive and he was a people person.

Rogue wave slams into Southern California beachgoers; 9 hospitalized

When we talk about a specific group of people, we consider it as singular and therefore, no need to add s. A people person is someone who is outgoing and has good communication skills. What is the plural of people person?