It’s his imagination. this is the point in the story where macbeth is starting to experience paranoia (and almost insanity). banquo’s “ghost” is a creation from macbeth’s conscience that is sending a message that macbeth maybe shouldn’t have killed him.
His gratefulness, as shown when Crusoe saves his life.
I would say, “i love thee freely, as men strive for right;”
Personification has been used
Is this a question or a statement?