In the Muromachi Period because of its organizational power and the ease-of-getting information the Bashaku played the central role at the riots in which the Tsuchi-ikki in Shocho era and the Tokusei-ikki in Kakitsu era were famous for, and in the latter the Bashaku in Omi Province who were taken under Hieizan Enryaku-ji Temple that was attacked by the riot seceded from the riot force so that the Bashaku power itself was split.
その組織力や情報の得やすさなどから、室町時代には、一揆の中心にもなり、正長の土一揆や嘉吉の徳政一揆などが知られているが、後者では一揆の攻撃対象となった比叡山延暦寺の保護を受けていた近江国の馬借が一揆から離反して、馬借勢力そのものが分裂している。