Answer:

altruist

Answer	Crossword Clue
ALTRUIST	Unselfish sort
ALTRUIST	Person unselfishly concerned for others
ALTRUIST	Carnegie, for one

ALTRUIST	Good egg
ALTRUIST	Devotee of the "Golden Rule."
ALTRUIST	One with unselfish motives.
ALTRUIST	Unselfish one
ALTRUIST	Selfless individual
ALTRUIST	Philanthropist
ALTRUIST	Selfless sort