Derek (The Walking Dead)

Derek is a character and an Antagonist in AMC's The Walking Dead. He appears in the second half of the 8th Season as a minor Antagonist.

Biography
Derek first appears as one of the Saviors searching for Alexandrains who fled after the Attack on Alexandria. He and his colleagues then get a radio call, which informs them of the escape from Dr. Harlan Carson and Father Gabriel from the Sanctuary. They then step in their cars and begin to search forch the escapees.

Later, they find both of them injured in a garage and recapture them. Derek stand by the scene when Dr. Carson tries to kill the Saviors, only to be shot by one of them. Derek berates the Savior who killed Carson and then dumps the body off the truck. He arrives with his fellow Saviors at the new outpost and drop offs Gabriel there.

In the Attack on the Hilltop he attacks Tobin with a tainted knife, wounding him badly and also infect him. Shortly before he can kill him, he is shot to death by Carol.

Trivia

 * He is responsible for nearly killing all of the medical staff of the Hilltop, cause he's the one who infected Tobin. Through the infection Tobin reanimated and killed at least 3 people as a Walker, including a doctor and a medic.
 * It's possible that he had an higher rank, this is indicated through him berating a Savior without consequences, but this is unconfirmed.