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African. Yasuke was a 16th-century samurai of African origin, likely from Mozambique or Ethiopia. He arrived in Japan in 1579 as a slave to the Italian Jesuit missionary Alessandro Valignano. Yasuke's impressive physical stature and fighting skills caught the attention of the warlord Oda Nobunaga, who freed him and took him into his service as a retainer. Yasuke became a respected samurai, fighting alongside Nobunaga in several battles.