This is the 3371st most frequent Turkish word.
karşılayan
"Karşılayan" means "the one who greets" or "the one who welcomes."
In this sentence, 'karşılayan' is used as a participle to describe the man who is welcoming the guests.
Kapıda misafirlerini karşılayan adam oldukça neşeliydi.
The man welcoming his guests at the door was quite cheerful.
Here, 'karşılayan' describes the teacher who is actively greeting the new students.
Yeni gelen öğrencileri karşılayan öğretmen onlara sınıfı tanıttı.
The teacher welcoming the new students introduced them to the classroom.
In this usage, 'karşılayan' metaphorically describes the atmosphere that sets a welcoming tone for the meeting.