셔

is, are (honorific)

→ 이다
auxiliary · elevated Rare #25,751
is, are (honorific) A colloquial contracted form of 이시어. It honors the person being talked about and is used in familiar speech.
KO: 이분이 새 선생님이셔.
EN: This is the new teacher.
Conjugation of 이다

누구 셔?

Who are you?

— 세 얼간이 (2009)

어머니 셔?

Are you a mother?

— 퍼펙트 스트레인저 (2016)

나탈랴, 이분이 당신의 전문가 셔.

Natalya, this is your expert.

— 토니 에드만 (2016)

장관님은 정말 신사 셔 남 앞에서만!

The minister is such a gentleman—only when other people are watching!

— 색, 계 (2007)