This is the 12410th most frequent Korean word.
담임
Homeroom teacher.
In this sentence, '담임 선생님' refers to the homeroom teacher, specifying the role of the teacher in charge of a particular class's overall administration and care.
담임 선생님께 감사 편지를 작성했어요.
I wrote a thank-you letter to the homeroom teacher.
Here, '담임' is used in connection with '우리 반', meaning 'our class', emphasizing the teacher's responsibility for a specific class.
우리 반 담임은 매우 친절하십니다.
The homeroom teacher of our class is very kind.
In this usage, '담임' signifies the act or position of being a homeroom teacher, highlighting the responsibility associated with this role.