That is a very controversial question. First of all, King Arthur was a king, not a knight. And if you mean who crowned King Arthur, then that would be his followers. And if you are referring to some point before his kingship, then it could be the Lady of the Lake, or Merlin. It all depends on which version of the story you mean, because there are hundreds.
Answer: appetite
Explanation: The story is called “Forbidden Fruit” right?
Yes, but when using a comma the 2nd part of the sentence typically can't stand alone. On the other hand, semicolons are used to connect two related sentences that can stand alone.
The poem shows the admiration and respect towards the King. For the word crown'd, it is the same theme that is discussed throughout the poem. The word exhibits the greatness of the King by showing that he deserves respect for his deeds.