Fiji Airways allows minor name corrections on tickets, such as spelling errors, swapping first/last name order, or missing middle names.
Google Sites
You cannot change a ticket to a completely different person.
Google Sites
Corrections should be requested before check‑in, ideally 24‑48 hours before departure.
Google Sites
Valid ID or copyright may be required to verify ... https://sites.google.com/view/fiji-name-correction-policy/home