Ninja

Covert agent, mercenary, or guerrilla warrior in feudal Japan

A ninja or shinobi was an infiltration agent, mercenary, or guerrilla warfare and later bodyguard expert in feudal Japan. They were often employed in siege, espionage missions, and military deception. They often appear in the historical record during the Sengoku period, although antecedents may have existed as early as the 12th century.

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