 She grows up under the watch of "extremist militant" Saw Gerrera, who also mentored and trained her in military combat.IGN's Eric Goldman wrote that she has "put up a brash, stern wall to protect herself, thanks to a traumatic childhood".Chris Barsanti of "PopMatters" added that Jyn's childhood tragedy leaves her "just cynical and bereft enough to make her hold out a respectable length of time before agreeing to assist the Rebel Alliance".