The stranger is more aggressive and actually enters Elisa's garden, while Henry seems to respect her personal space.
The two men in the story are quite opposite, and this helps us identify the things that Elisa appreciates and the things she does not. When Elisa is working in the garden, her husband comes to talk to her. He respects her personal space and remains outside. However, to Elisa this is a sign of indifference towards her work and her passion. On the other hand, when the stranger meets her, he leans over and enters the garden, with a behaviour that is more aggressive than that of her husband.
A. is because Bilbo does not want to go on an adventure until he realizes he needs to do something other than lay around inside all day long by himself.
