non-violent       
adjective (US nonviolent) uk/ˌnɒnˈvaɪə.lənt/ us/ˌnɑːnˈvaɪə.lənt/
 (政治运动)非暴力的;(犯罪)不使用暴力的
(of political protest or crime) not involving fighting or the use of physical force
  Gandhi was an exponent of non-violent protest. 甘地是非暴力抗议的倡导者。 
 She called on volunteers to join the non-violent resistance. 她呼吁志愿者加入非暴力抵抗运动。 
 See: non-violence
 - More examples
 - She took peaceful non-violent direct action against the destruction of the forest.
 - They are changing the law to help protect non-violent offenders from life sentences.
 - Young children should not be locked up for non-violent crimes.