This is the 10933rd most frequent Korean word.
글렌
"글렌" is a transliteration of the English name "Glen."
In this sentence, '글렌' is used as a proper noun referring to the name of a person.
글렌은 정말 멋진 사람이에요.
Glen is a really wonderful person.
Here, '글렌' is again a proper noun referring to a person named Glen who is involved in planning a journey.
우리는 글렌과 함께 여행을 계획하고 있어요.
We are planning a trip with Glen.
In this sentence, '글렌' indicates the individual who recommended a book, used as his name context.