A samurai without a lord or master was called what?
Ronin, which means “drifter” or “wanderer,” are depicted romantically in samurai films like “Lone Wolf and Cub,” but in reality, ronin were often rebellious. A famous incident in the early 18th century involved a group of 47 ronin who set out to avenge the death of their former master, and on December 14, 1702, they succeeded. The story of those 47 ronin remains a popular Japanese legend.
Source: Britannica