JMdict entry #2016650

1. Ichidan verbintransitive verb to sacrifice oneself (for); to give one's life (for); to die for (for)
2. Ichidan verbintransitive verb to follow (someone) in taking the same action (out of respect or loyalty; e.g. resigning together with a superior); to follow suit (out of a sense of duty)
3. Ichidan verbintransitive verb to follow (one's master) into the grave; to commit suicide (after one's lord has died)