Being the jinchuriki of the nine-tails he is Naruto Uzumaki was sold to the Himiko clan by the villagers who hates him so much. Naruto was a slave to he heir of the Himiko clan's head, Kuna

Naruto was today training with his teammates

Kakashi: "ok guys. It's 10 minutes break time"

Naruto: "wheew finally some rest"

Sakura: "much needed indeed"

Sai: "yes I agree"