This is the 237th most frequent Indonesian word.
mahasiswa
University student.
The word 'mahasiswa' is used here to refer to a singular university student, describing their current activity.
Mahasiswa tersebut sedang belajar di perpustakaan.
The university student is studying in the library.
In this context, 'mahasiswa' refers to multiple university students showing involvement in external activities.
Banyak mahasiswa yang berpartisipasi dalam kegiatan sosial.
Many university students participate in social activities.
Here, 'mahasiswa' is modified by 'baru' to specify new university students.