How is dr. lanyon characterized in the excerpt? as friendly as arrogant as wise as mournful

Which of the following root words means bad

What is the effect of the haiku structure on this poem?   how does the line structure describe the subject(s)?   and how does a haiku compare to a rhyming and longer poem in terms of its effect on you as a reader?

In robert fosters birches what does the speaker think of when he sees birches bend left and right