Wow. You should really, really write a blog post about this, and get some of them on the record about it. A Google search for 'Aneityum "yellow people"' returns only 4 results.
>His canoe and his moiety were the first to adopt the chiefly system, and it was brought to Aneityum by natimi-yag (yellow-people), which he now believes to have been Polynesian.
However, one of those four is this dissertation: https://scholarsbank.uoregon.edu/xmlui/bitstream/handle/1794...
Which reads:
>His canoe and his moiety were the first to adopt the chiefly system, and it was brought to Aneityum by natimi-yag (yellow-people), which he now believes to have been Polynesian.