They are ordinary people.

The true identity of Sister Xin'er from Chongqing is that she is an ordinary person, that is, relatively ordinary. She does not have great wealth, stunning looks, superior conditions, or amazing talents and skills.

Ordinary people refer to ordinary people, that is, they do not have the wealthy life of the industrial and commercial bourgeoisie, nor the power of the ruling class, such as workers, farmers, ordinary citizens, ordinary technicians, ordinary teachers, medical staff, etc.