From Wiktionary, the free dictionary
From non- + superstar.
nonsuperstar (plural nonsuperstars)
- One who is not a superstar.
2008 January 27, Jenny Lyn Bader, “When Icons Die Young”, in New York Times[1]:In a way it is comforting, perhaps even life affirming, for the majority of human beings, nonsuperstars, to think they have chosen the other course.