-로서
As, In the Capacity of
-로서 is a particle that attaches to a noun to show its status or role, like saying 'as a...' or 'in the capacity of...' in English. For example, 'as a teacher' or 'as a friend'.
How It Works
The particle -로서 is used to specify the status, capacity, or qualification under which an action is performed or a state exists. It clarifies the role of the noun it is attached to.
Attachment Rules:
1. If the noun ends in a vowel, you attach -로서.
- 의사 (doctor) → 의사로서 (as a doctor)
- 부모 (parent) → 부모로서 (as a parent)
2. If the noun ends in a consonant, you attach -으로서.
- 선생님 (teacher) → 선생님으로서 (as a teacher)
- 한국인 (Korean person) → 한국인으로서 (as a Korean)
Key Distinction: -로서 vs. -로써
This is one of the most commonly confused pairs in Korean. It's crucial to understand the difference:
- -로서: Indicates status, qualification, or capacity. Think 'as a...'.
- 예: 저는 교사로서 학생들을 가르칩니다. (I teach students as a teacher.) - -로써: Indicates a tool, method, or means. Think 'with...' or 'by means of...'.
- 예: 저는 말로써 사람들을 설득합니다. (I persuade people with words.)
A simple way to remember is that -로서 is usually about a person's or thing's role, while -로써 is about the instrument used to do something.
Examples (4)
- 친구로서 충고하는 거야.
I'm giving you advice as a friend.
Word by Word: As a friend, it's advising.
- 선생님으로서 학생들을 항상 응원해야 합니다.
As a teacher, you must always support the students.
Word by Word: As a teacher, students always must support.
- 이것은 약으로서 아무 효과가 없어요.
This has no effect as a medicine.
Word by Word: This as a medicine any effect does not have.
Here, -로서 indicates the intended capacity or function of the object ('as a medicine').
- 팀의 리더로서 책임을 져야 합니다.
As the team's leader, you have to take responsibility.
Word by Word: Of the team as a leader responsibility must take.
Common Mistakes
Confusing -로서 (status) with -로써 (means/tool).
Not Quite저는 망치로서 못을 박았어요.Better저는 망치로써 못을 박았어요.The incorrect sentence means 'I hammered a nail in the capacity of a hammer,' which is illogical. The correct sentence uses -로써 to indicate that the hammer was the tool used to hammer the nail ('with a hammer'). Remember: -로서 for status, -로써 for tools.
Learn This First
To express 'as/in the capacity of', you need to understand the basic particle 로.
Related Patterns
- -로써By Means of, Through
Often confused with -로서. While -로서 indicates status or capacity ('as a...'), -로써 indicates the means or tool used to do something ('by means of...').
- -처럼/같이Like
Both can mean 'like' or 'as', but -처럼/같이 is used for simple comparison or similarity (e.g., 'like an angel'), whereas -로서 indicates an official role, status, or qualification ('as a doctor').
- -이자And Also, As Well as
-이자 connects two nouns that describe the same person or thing, meaning 'and also' or 'as well as'. It can sometimes overlap with -로서 in meaning, but -이자 emphasizes two simultaneous roles, while -로서 focuses on the capacity in which an action is done. E.g., '그는 나의 친구이자 스승이다' (He is my friend and also my teacher).
- 은/는Topic Marker
The topic marker -은/는 can attach to -로서 to form -(으)로서는. This combination emphasizes the role or status, often setting it up as a topic for contrast or special focus. For example, '학생으로서는 공부가 가장 중요하다' (As for a student, studying is the most important thing).