Who will Christ rule over primarily in the future Kingdom?

Les explains that when the Kingdom finally comes on the earth, becomes viable, and becomes active, Christ is King of kings and Lord of lords. He will rule primarily over the nation of Israel, the greatest nation going into the Kingdom, but He will also be the worldwide ruler. Les further teaches that believers will rule and reign with Him, and their level of responsibility will be based on their faithfulness in this life. This is why believers should labor and serve for reward, not for salvation, which cannot be earned.