A lot of Games are played around the world (if not all of them).
When playing Call of Duty, I noticed that there are times of the day and days of the week that are preferable for playing, (at least for me) times when I wouldn't get slaughtered because of my skill level in the game. This also means that certain types of players are on during certain times and days of the week.
Suggestions:
- get offline, do something else, and come back later.
- Practice the game through Campaign mode (if that is an option to the game) or Offline
- Turn the volume down/off
- Campaign mode or Story Mode is when you play the game through in 1-player mode, all the other players are NPCs (Non Player Characters) or Computer players, so you can usually set the difficulty.
- some games have a Multi-player Training mode also where you can set up the match or level the way you want, amount of players and difficulty and access, you can usually invite your friends and kick players that you don't want in there should they get out of control.
- Turn the volume down/off
- Mute players you don't know (or wish you didn't know) muting players usually means that they cannot hear you and you don't hear them