Definition of 徒士衆 (かちしゅう)

noun
1.
humble samurai who served as a body guard on foot
See also:徒侍
2.
bodyguards in service of the shogun who would walk ahead of him on an outing (Edo period)
Related Kanji
徒 on foot, junior, emptiness, vanity, futility, uselessness, ephemeral thing, gang, set, party, people
士 gentleman, scholar, samurai, samurai radical (no. 33)
衆 masses, great numbers, multitude, populace