"In feudal Japan, rōnin were perceived as failed men with no honor. According to the Code of the Samurai, when samurais lost their masters, they were expected to show their respect by killing themselves using the hara-kiri method."
"In feudal Japan, a rōnin was a type of samurai who had no lord or master. A samurai becomes a rōnin upon the death of his master, or after the loss of his master's favor or legal privilege."