One of "those" people
Another one: people who do or people who does?
Originally a singular noun (e.g. The people is hungry, and weary, and thirsty, in the wilderness --2 Samuel 17:29, King James Version), the plural aspect of people is probably due to influence from Middle English lede, leed, a plural since Old English times (compare Old English lēode (“people, men, persons”), plural of Old English lēod (“man, person”)). See also lede, leod.