What is in Japan, under the feudal system, a samurai who had renounced his clan or who had been discharged or ostracized and had become a wanderer without a lord; an outcast; an outlaw called?

ronin — In Japan, under the feudal system, a samurai who had renounced his clan or who had been discharged or ostracized and had become a wanderer without a lord; an outcast; an outlaw. (Webster's 1913.)