Im super new to the mege man world and dont get mad at me for asking but whats a merivick if i even spelled it right?

Maverick is a reploid that has betrayed the law, they want to destroy the human race.
Reploids are the robot, and MegaMan is a reploid, there are also reploids called Maverick Hunters, they of course hunt down the Mavericks and destroy them.
This picture is Sigma he is a Maverick.