Don’t try to be a pack mule, if you are a thoroughbred, or a thoroughbred, if you are a mule. Some of us are built for speed; some, to carry the load.
Strive to be skilled at the use of your specific talent(s), and encourage the best in others.
If you really want to be a team player, know what it is that you bring to the team,
… And do that thing to the best of your ability!