2. An individual persecuted for his superior skills or intellect, most often by people who fear and envy him.
3. An 'individual', i.e. a person who does not conform to society's beliefs that all people should follow trends and do what their peers do. Often highly intelligent but socially rejected because of their obsession with a given subject, technology, fandom, cosplay, sci-fi/fantasy.
Correct usage of the adjective in a sentence: "Nerds are clearly superior to us in every way.. Let's worship them as our Gods"