Please read carefully because words have power...
There is a fruit bowl on my counter where apples and oranges sit in a fruit bowl. Besides being fruit and in the same bowl, that is where their similarities end.
There is a protest downtown where attendees legally, peacefully express their first amendment rights. At that same protest, rioters and looters arrive breaking the law. Besides both groups being people and on the same street that is where their similarities end.
Protestor, noun: A person who publicly legally demonstrates strong objection to something
Rioter, noun: A violently public disorderly unlawful person