Rioter
/ˈraɪətər/
Definition 1 of 1
Pro Tip 1/3Negative Connotation
Rioter suggests disapproval and is often used negatively to describe lawbreakers in protests. 
The news report focused on the rioters' destruction of property.
Pro Tip 2/3Not Peaceful
'Peaceful rioter' is an oxymoron as rioting suggests violence and disorder, not peace. 
He mistakenly called the peaceful protesters 'rioters'.
Pro Tip 3/3Media Portrayal
The term 'rioter' can be politically charged depending on who uses it and in what context. 
Activists claimed the term 'rioter' was used to discredit their peaceful movement.