This is the 4586th most frequent Japanese word.
御徒
御徒 (おかち, okachi): A historical term referring to low-ranking foot soldiers or attendants in the Edo period.
In this sentence, '御徒' refers to a historical group in Edo period Japan, indicating its use as a noun signifying a particular entity.
江戸時代の御徒組は独自の役割を果たしていました。
The Okachi group in the Edo period played unique roles.
Here, '御徒' again is employed as a noun directly addressing the group name being investigated or studied.
彼は歴史の研究に興味があり、御徒の歴史を調べています。
He is interested in research on history and is studying the history of the Okachi.
In this sentence, '御徒' is used attributively to describe someone's identity or association with the Okachi group.