Notice who grabs the other end of the table without being asked. Those are your people.

Character shows up in small unrequested work far more clearly than in anything a person says about themselves. Whoever lifts the far side of a table, stacks the chairs, or carries the cooler without being told has a habit of noticing what needs doing. That habit does not switch off when the task gets harder or less fun. It is the same reflex that appears when you need something.

Watch for it over the next couple of weeks, at practice, at work, after a party. Get closer to the people who do it, and try being one of them yourself.