He's barefoot. He'll run back into his house, and he will contaminate his drinking water and his food and his environment with whatever diseases he may be carrying by fecal particles that are on his fingers and feet.
更に彼は裸足です 家に帰ると― 彼は飲み水や食べ物 そして生活環境を汚染します 指や足に付着した 便の小片によって 何らかの病原菌を 持ち込んでしまうのです