양반이

that person

→ 양반
phrase Uncommon #11,224
that person 양반 can refer colloquially to a person or fellow, sometimes with a dismissive tone. 이 marks it as the subject.
KO: 저 양반이 또 늦었네.
EN: That fellow is late again.

설마, 똑똑한 양반이?

Surely, a smart gentleman?

— 로렌스 애니웨이 (2012)