This is the 11347th most frequent Korean word.
김은정
"김은정" is a Korean name, typically with "김" (Kim) as the family name and "은정" (Eun-jung) as the given name. It does not have a standalone meaning.
Here, '김은정' is used to address someone formally with the honorific '씨', as the object of the verb.
그는 김은정 씨를 칭찬하였다.
He praised Ms. Kim Eun-Jung.
In this context, '김은정' identifies the speaker's friend and serves as an object in the sentence.
나는 친구 김은정을 만나러 갑니다.
I am going to meet my friend Kim Eun-Jung.
In this sentence, '김은정' refers to a person's full name, acting as the subject.