At the end of the world, people tended to group into two main categories - those who wanted to band together for safety, and those who wanted to band together for conquest. This is one of the latter - a short raider who views other people simply as convenient sources of food, ammumntion, and weapons.
Consider: The short raider is elite.
The short raider is rated as an average guerilla.
Notes: Pursues and can open doors.
Their AI allows them to use the ambush command.