A National Hero is someone who has made significant positive contributions to the growth and development of society, and represents all of us. ... The National Hero designation is a lifetime honour that is bestowed, and once a person is named as a National Hero he or she will be a National Hero forever.
Explanation:
A hero is selfless, a genuinely good person, and someone gets the undivided attention of all of us and causes change. Someone willing to risk their own life to save another.
An antonym for number four would be neglect and a synonym would be accomplish. For number six it would be spectacle as a synonym and an antonym would be proof.