A mercenary in feudal Japan trained in martial arts
[DOC] [TLE] ninjas (mercenary) - Memidex dictionary/thesaurus [PAR] "ninja" or "Ninja": a member of a feudal Japanese society of mercenary agents, 
highly trained in martial arts and stealth (ninjutsu), who were hired ... (24 of 41... [DOC] [TLE] Ninja - Wikipedia [PAR] A ninja () or shinobi () was a covert agent or mercenary in feudal Japan.