This is the 622nd most frequent Indonesian word.
persija
"Persija" refers to a Jakarta-based professional football (soccer) club in Indonesia.
The word 'Persija' here refers to a specific football team, Persija Jakarta.
Saya menonton pertandingan Persija tadi malam.
I watched the Persija match last night.
Here, 'Persija' is used as a noun modifier indicating the fans who support the team named Persija Jakarta.
Fans Persija selalu mendukung tim kesayangan mereka.
Persija fans always support their beloved team.
In this sentence, 'Persija' is used as a proper noun referring to the professional football club based in Jakarta.