Why now is the time to pay attention to Seonbi?

What is Seonbi and what is its origin? There were similar concepts to seonbi in other countries: Local gentry in China, Samurai and Roju in Japan, and gentry in England. We will examine how the common concept of East Asia, i.e. scholar, has become a common culture unique in Korea, China and Japan and has played a role even in England. Finally, let us also consider why we are calling out seonbi in this time.