The script describes Atoa as a "Samoan dancer" who is performing the Samoan Fire Knife dance. It also asks or Samoan music.
According to writer Ronald D. Moore in an interview on the DS9 Season 6 DVD, he had hoped to establish the USS Sutherland crew as maintaining a number of Hawaiian and Polynesian traditions. According to StarTrek.com, the scene of people seen traveling in a primitive ship in the Enterprise opening credits was meant to show ancient Polynesians, which the site notes were among the first to explore the open oceans in their outrigger canoes. [X]wbm