Final answer:
Selfishness is not one of the six pillars of character; trustworthiness, respect, responsibility, fairness, caring, and citizenship are the correct pillars.
Step-by-step explanation:
The option that is not one of the six pillars of character is C) Selfishness. The six pillars, as developed by The Josephson Institute of Ethics, are trustworthiness, respect, responsibility, fairness, caring, and citizenship. These pillars are designed to form a moral foundation for ethical behavior in society. Selfishness is indeed contrary to the spirit of these pillars, especially to those of caring and responsibility.