肥义 / Fei Yi
肥义 / Fei Yi appears in 《资治通鉴·周纪》35丨历史上第一骑兵教父是他？ as an old minister who had served 赵肃侯. After 赵武灵王 succeeds, he visits Fei Yi and raises his salary.
The episode reads this as a political signal. Honoring Fei Yi tells old ministers that the new ruler respects inherited authority and is willing to listen. At the same time, because Zhao Wuling Wang will later launch a disruptive reform, the gesture may also mark the bargain behind new-ruler reform signaling: the ruler gives old ministers face early so they have less ground to resist once policy changes begin.