In the same year (1568), when Nobunaga imposed Yasen (war funds) of 20,000 kan on Sakai, Egoshu (wealthy merchants who led self-governing organizations) with backing of the Miyoshi clan, displayed do-or-die resistance, but Sokyu persuaded them to accept Nobunaga's demand and succeeded in mediating that conflict between Nobunaga and the Egoshu.
同年、信長が堺に対して矢銭二万貫を課した際、会合衆たちが三好氏の力を背景に徹底抗戦の姿勢を見せたのに対し、宗久はこの要求を受け入れるよう信長と会合衆の仲介を行い、これに成功する。