At eight years of age he was assigned to serve as an attendant to Kamekichi, an heir of the domain lord Yasutomo MIYAKE, as well as Kamekichi's younger brother Motokichi (who later became the domain lord Yasuaki MIYAKE) after Kamekichi's early death, and because of this assignment Kazan was well remembered by his master Yasutomo, which means he was very close to the lord family from his childhood days.
藩士としては、8歳で時の藩主三宅康友の嫡男・亀吉の伽役を命じられ、亀吉の夭折後もその弟・元吉（後の藩主・三宅康明）の伽役となり、藩主康友からも目をかけられるなど、幼少時から藩主一家にごく近い位置にあった。