Was Macbeth a pawn of fate or an agent of free will in Shakespeare's Macbeth?

I would say that Macbeth would be described as a pawn of
fate. He starts out as a great warrior that everyone is impressed with. His King
promotes him to Thane of Cawdor and that is all free will. However, once he meets the
witches, in my opinion, he becomes a PAWN of fate. The three ugly sisters make
prophecies and he follows them. While he still has free will, your use of the word PAWN
causes me to think that he would have to be judged as such. The witches make
suggestions, but he follows them. It's true that these decisions are up to him, but the
witches are manipulating him into doing things. Once they get him started, others,
particularly Lady Macbeth, are able to influence his decisions. At the end, he falls
victim of the witchs' prophecies and there is nothing left for him to do but
succumb.