Greedy is a clear synonym for avaricious. This is the best choice because the definition of both is a desire for wealth and material gain.
Hope this helps!
When he says "My will to her consent is but a part; An she agree, within her scope of choice Lies my consent and fair according voice." He is saying here that his consent to Juliet and Paris' marriage is "but a part" of the decision, so he believes that her choice is also needed. He says that, while his "consent and fair according voice" may play a part in her choice, she still has a choice, free will.
Answer:
I think the best answer would be he died of an unknown illness because Mr. Summers is referring to a man that is Watson. Normally people refer "head" of the family as the man. And since his mother is assumed she's alone, she has a man to do the work. I don't think I explained this properly but I hope it helps! :)