Editorial Note: This article is written with editorial review and topic relevance in mind.
Peoples is used when we talk about two or more. When we talk about a specific group of people, we consider it as singular and therefore, no need to add s. People is a collective noun.
Prince Harry breaks into song for Meghan after going to see Hamilton
A people person is someone who is outgoing and has good communication skills. What is the plural of people person? He was always energetic and positive and he was a people person.