Answer:
Confidence and cooperativeness.
Explanation:
As stated in the question, James seems like a nice guy. Not only is he a team player and would help others out, but he also has the courage to take firm decisions.
We can infer from the statement that James is confident, for he is not afraid to make firm decisions. Moreover, his act of helping others and his being a good team player suggests that he is cooperative.
Thus, the two qualities of James are cooperativeness and confidence.
