After Yoritomo's death, he played a central role in the impeachment and banishment of Kagetoki at the Incident of Kagetoki KAJIWARA, and in the rebellions by Gokenin such as the Conspiracy of Yoshikazu HIKI and Shigetada HATAKEYAMA Rebellion, he fought for the Hojo clan side.
頼朝死去後、梶原景時の変での景時弾劾追放では中心的な役割を果たし、その後の比企能員の変、畠山重忠の乱といった一連の御家人の乱では北条氏に与した。