Metaphor: Arthur is like a baby who still needs to be spoon fed

I made an outline of Arthur's characteristics from when he was first introduced to the story until he died, and I noticed that, what I thought to be Arthur's tragic flaw, appeared when he was a child. There was more than one thing that I felt would bring Wart into his tragic state.

Wart's upbringing had a definite effect on Wart's tragic flaw. He wasn't related to either Kay or Sir Ector. This would make Wart feel insignificant and would have put him in an ominous disposition. Therefore, this would make him feel that he can't speak up or voice his opinion against Ector or Kay because he is not worthy, or so he thinks. This inability to speak up for himself will come into play later in his life. For example...