Can anyone chat with me I am bored at home plz

Based on its structure, which word  most likely  means "someone who takes advantage of circumstances”?

Considering "civil disobedience," why did both thoreau and martin luther king, jr. engage in acts of civil disobedience? to take a stand against government taxation to protest government policies they believed were unjust to protest slavery and the mexican-american war to take a stand against unfair laws in the 1950s and ‘60s

Why does lewis thomas express concern about what we would say to beings from another planet