Sadri is the oldest and most experienced member of the Ades Federation's five generals. He serves as an organizer for the less experienced commanders. He is extremely capable in utilizing the First Fleet, having cultivated his skills in a decorated military career. Despite being over 60 years old, he remains a fearless commander.

Spoiler

He is actually Fam's grandfather. Sadri's only daughter, Raha left Ades because of a disagree with her fathers ambitions few somewhere around thetime Fam was born.

(Source: Official website)