non-celebrity       
noun [ C ] (also noncelebrity) uk/ˌnɒn.səˈleb.rə.ti/ us/ˌnɑːn.səˈleb.rə.t̬i/
 普通人,非名人
someone who is not famous
  The law should not treat a celebrity any differently from non-celebrities.
 The compay has never employed noncelebrities in its advertisements before. 该公司以前从未在广告中使用过普通人。 
  - More examples
 - I have known lots of non-celebrities who have amazing talents.
 - Non-celebrities who go on the show have an enormous amount to lose.
 - The police have made a special effort to treat celebrities and noncelebrities the same way.
 - They had a simple wedding surrounded by their non-celebrity friends.