The phrase "peaceful protestors" refers to people who express their thoughts or concerns in a non-violent and calm manner, without causing harm or damage to others or property. Full definition
Recently, militias from Misrata opened fire on peaceful protestors in Tripoli who were calling for the departure of militias and the restoration of peace. (blog.politics.ox.ac.uk)
The next day, April 10th, troops fired on peaceful protestors in the city of Amritsar, killing several. (politics.co.uk)
Amnesty International UK claims arbitrary detentions and arrests, the imprisonment of peaceful protestors and other prisoners of conscience, as well as torture and the ill - treatment of detainees are all still rife in Tibet. (politics.co.uk)