There was another castaway who eventually did return to Japan and was made a samurai because of his English skills and potential utility to the government: http

There was another castaway who eventually did return to Japan and was made a samurai because of his English skills and potential utility to the government: https://en.wikipedia.org/wiki/Nakahama_Manjir%C5%8D https://en.wikipedia.org/wiki/Nakahama_Manjir%C5%8D Otokichi's Wikipedia article also indicates that he was given permission to live in Japan again.