Is Oedipus a victim of fate or his own free will in Oedipus The King?

is a
victim of fate. The gods decree when he
is born that he is destined to marry his mother and
murder his
father.

People in Oedipus's life try to exercise free will
in
various ways to escape this curse. His parents, for instance, try to exert
their wills by having
their infant son exposed at birth so he will die. This
way, he will have no chance to grow up
and fulfill his dreadful fate. Of
course, he is saved and is raised by foster parents. When he
himself learns
of his destiny, he too tries to exercise his free will. He flees what he
thinks
are his real parents in...