What is Rurouni?
1.
The actual term for the definition below is
The novel, The Story of the 47 Ronin, is based upon the deeds of 47 ronin (masterless samurai) otherwise known as the ex-samurai of Ako, at the beginning of the 16th century.
It is a common error to equate rurouni to ronin.
See
2.
Rurouni were frowned apon by the Shogunate