Who is Oscar Wydell from Among the Free and what is their importance?

Oscar Wydell steps forward and takes responsibility for overthrowing the Population Police. Luke recognizes Oscar as being one of the bodyguards for the Population Police. Over the course of the novel, we realize that Oscar is actually in negotiations with the previous leader of the Population Police, which Oscar and his men are holding hostage. Oscar is trying to find out where all of the hidden food is and Oscar plans on using the same laws to take over the rule of the people. When Luke exposes Oscar's plan to the people, Oscar flees.