This is the 5613th most frequent Korean word.
민해경이
"민해경이" does not have a specific standalone meaning in Korean. It appears to be a name, likely referring to a person named Min Hae-kyung (민해경).
Here, '민해경이' is a name used as the subject of the sentence indicated by the topic marker '이'.
민해경이는 오늘 점심에 김밥을 먹었어요.
Min Haekyung ate kimbap for lunch today.
In this sentence, '민해경이' takes the possessive case denoted by '의' to show ownership.
민해경이의 취미는 사진 찍기예요.
Min Haekyung's hobby is taking photographs.
The word '민해경이' functions as an object in this sentence, shown by the object marker '를'.