Team Player: As applied in this system, the "team player" is the opposite of someone who likes to work alone, or independently.  This is not meant in the context of supporting the group or a "team", but rather one who works best when they can interact with others rather than working alone.

Works Independently: The extreme in this case is a person who does not need, nor like, other people "looking over their shoulder".  They know how to supervise his or herself and don't want someone micro-managing everything they do.  They work best if left alone, especially if they know they are very good at what they do.