self-immolationnoun [ U ]
uk/ˌself.ɪm.əˈleɪ.ʃən//ˌself.ɪm.əˈleɪ.ʃən/the practice of setting yourself on fire, especially as a protest against something:
The protests were accompanied by at least eight cases of self-immolation.
an action by a person or group that damages or destroys it:
It was an act of political self-immolation.