He's a well respected noble in the City of kyzhein, that city lie underneath Liyue,they say that the people of that city used to have an Alliance with the destroyed Nation, Khaen riah, 500 years ago them being scared, they Dug a hole, which made it a Whole ass City, it was Xie Liam's father who did it and his uncles. [Fastforward to future] He was in Liyue's port, planning on traveling to inazuma to meet his colleagues, Heizou and Kazuha. (He's a Detective.)