自尽 is read as じじん (jijin) and means suicide.
じじん
jijin
じき
desperation
じえいたい
Japan Self-Defense Forces
じえい
self-defense
じこ
self
じまん
pride
じが
ego
じめつ
natural decay
じすい
scanning a book or magazine to create an ebook by oneself
じこしょうかい
self-introduction
じせん
self-recommendation
じえいかん
Japanese Self-Defense Force official
じじょでん
autobiography