Touji Fushiguro

Touji Fushiguro, previously Touji Zenin, is the father of Megumi Fushiguro. He took a job from the Star Religious Group to assassinate the Star Plasma Vessel.

[Spoiler] He assassinates Riko Amanai due to the orders from the Star Religious Group. [/Spoiler]

[Spoiler] He dies in battle against Gojo Satoru's "Hollow Technique: Purple." [/Spoiler]

(Source: Jujutsu Kaisen Wiki)