Sentence:  A "Haka" is the native dance, answering to the "corroboree" of the Australian aboriginals, and we were anxious to see it. ... Later in the evening, however, the complaisant Herekiekie entertained a small and select party at a "Haka" in his "whare" or house (pronounced wharry). It was exactly what I expected. The performers, all male, stood in a row, one, slightly advanced, acting as <WSD>fugleman</WSD>. They shouted and gesticulated with the most hideous and revolting gestures, grimaces, and yells. 
Meaning of the word marked with <WSD> tags:  The member of a military group who leads the way or demonstrates drill; "hence", someone who keeps the beat or timing, and/or demonstrates motions in other contexts.