zì​fén

to burn oneself

自焚 zì​fén
to burn oneself
to burn oneself to death; to commit suicide by fire; to self-immolate
to bring about one's own destruction
to cause one's own downfall through one's own actions; to incinerate oneself metaphorically

Frequency

Movie subtitles
1.64 per million appears in 1% of films
Written text
1.38 per million

Sources