This is the 11367th most frequent Korean word.
김진규가
"김진규가" is not a standalone word but appears to be a proper noun with a grammatical marker ("가") indicating the subject in Korean. It translates to "Kim Jin-gyu" as the subject of a sentence.
Here '김진규가' is used as the subject of the sentence, indicating who performed the action of buying.
김진규가 케이크를 샀어요.
Jin-gyu Kim bought a cake.
Here '김진규가' is used to denote the person being described, serving as the subject in a descriptive context.
김진규가 아주 친절해요.
Jin-gyu Kim is very kind.
In this sentence, '김진규가' specifies the person involved in the action of presenting in the location of the school.