Here's the easiest way to comprehend the longevity of Scooby-Doo: Casey Kasem has been doing the voice of Shaggy (Norville Rogers, if you insist on his given name) for longer than he hosted his weekly Top 40 radio show.
Advocate definition, to speak or write in favor of; support or urge by argument; recommend publicly: He advocated higher salaries for teachers. See more. Dictionary.com
Victim advocates are professionals trained to support victims of crime. Advocates offer victims information, emotional support, and help finding resources and filling out paperwork. Sometimes, advocates go to court with victims.