Saw Gerrera is a fictional male character who works for Rebel Alliance in the Star Wars franchise. He has been portrayed on screen by Forest Whitaker. Saw Gerrera is a character which appeared first in the Rebels television series before being turned into a real person for the Rogue One film.
Soon after Galen Erso has been captured by Director Krennic on an unnamed planet, Saw arrives on the planet and finds the orphaned Jyn Erso hiding. Saw takes Jyn into his care for the next decade after which time, Jyn is deserted.
Saw is an extremist Rebel fighter who if the Rebel Alliance can`t bring back into the fold will cause immense damage to the Rebel Alliance. As it is known by the Rebels that Jyn was cared for by Saw, Mon Mothma ordered her rebel fighters to find and rescue Jyn from Imperial captivity. They hope her friendship with Saw can bring him back into line with the rest of the group.
When Jyn catches up with Saw, he is now walking with prosethetic legs, the cause of how they were lost is not known as yet. Saw dies when Grand Moff Tarkin uses the Death Star weapon on Jedha, the planet that Saw was hiding out on at the time.