In 583 BCE, Xianzi of Han gave his political support to Zhao Wu and made him the successor of Zhuangzi.
However, Zhao Wu did not enter the aristocratic rank of Qing (卿) during the reign of Duke Li of Jin.
[1][2] In 560 BCE, Zhao Wu was appointed the commander of upper army of Jin with the recommendation from Xuanzi of Han.
Zhao Wu met with clansmen of Sun clan which was at war with its lord, Duke Xian of Wey.
[7] In 546 BCE, Zhao Wu facilitated the truce of Mibing by collaborating with Xiang Xu and Qu Jian.
Even King Jing of Zhou did not ignore the presence of Zhao Wu and sent Duke Ding of Liu to receive him.