Complex sentence: After Shizaemon kills Hanbei, Naritsugu contemptuously kicks his loyal retainer's head away, announcing that the people and samurai have only one purpose and that is to serve their lords.
Split into simpler sentences: After Shizaemon kills Hanbei, Naritsugu contemptuously kicks his loyal retainer's head away. Naritsugu announces that both the people and samurai have only one purpose and that is to serve their lords.