Henry often helps Elisa work in the garden, while the stranger makes fun of Elisa's work with her flowers. ... The stranger is more aggressive and actually enters Elisa's garden, while Henry seems to respect her personal space.
Based on the excerpt from Edgar Allan Poe's <em>The Gold-Bug, </em>it can be clearly concluded that William Legrand is a moody person. He is far from being stable because he changes mood from one to another.