In this guide, you will find out how to Change Party Leader in Call of Duty Modern Warfare 2.
You have to load up your game and then press the right thumbstick to open your party screen. After that, press X on your party as it will open the party menu on the right side.
In this list, you will find your name and the other person’s name. Now you have to press X on the name of the person you want to make the leader. A drop-down menu will appear, you have to click on Promote and that person will become the new leader of the party.