[2][3] He began playing junior rugby league for the Randwick Kingfishers before moving to Brisbane, Queensland.

[4] In Brisbane, Oloapu played junior rugby league for the Redcliffe Dolphins and attended Wavell State High School.

Later the year he played for the Norths Devils in the Mal Meninga Cup and was selected for the Australian Schoolboys, captaining the side on their tour of Fiji.

[10][11] In November 2022, 10 months after re-signing with the Broncos, Oloapu requested a release from his contract, citing a number of broken promises by the club.

The NRL and RLPA later reviewed the situation at the request of Oloapu and Adamson and found no wrongdoing by the Broncos.