This is the 179th most frequent Indonesian word.
bupati
Regent (a head of a regency, an administrative division in Indonesia).
The word "bupati" is used here as a subject referring to a regional leader or regent.
Bupati itu sedang menghadiri upacara di desanya.
The regent is attending a ceremony in his village.
"Bupati" is used to indicate the position of a person as the regent.
Beliau baru saja diangkat menjadi bupati wilayah tersebut.
He has just been appointed as the regent of that region.
Here, "bupati" is in plural form to refer to multiple individuals holding the title of regent.