Jofu is a person in the Edo period who lived permanently in Edo and served seii taishogun (literally, "great general who subdued the barbarians") without performing Sankinkotai (a system under which feudal lords in the Edo period were required to spend every other year in residence in Edo).
定府（じょうふ）とは、江戸時代において参勤交代を行わずに江戸に定住して征夷大将軍に仕える者をいう。