people
'PEOPLE' , as the plural of 'person' is a PLURAL word---->It's as if you said 'THEY'
I don't know why, but many students know that, and yet they make the following mistake:
people who
lives-- LIVE people who livepeople who
studiesSTUDY people who studypeople that
saysSAY people who say
In 98.9% of cases, you are likely to use the word 'people' as the plural of 'person'. In that case, 'people' is a plural word.
You can play this game to check if you know how to use verbs correctly when using 'people':