OUTOFPAPUA database: Lexicons of the West Papuan language area

Entry record from Schapper (2020): Wersing Peitoko

ol ba[ˈol ˈba]

•  intj. vocative for calling to people of roughly equal status (may be older or younger).kata panggilan untuk kawan atau saudara.

Ol ba, maite!Friend, come here!, Kawan, mari!

Source: Hans Retebana