This website has information on forms of Human observation to be pretty broad. It doesn't have anything specific with Bolivian villagers or there looms.
http://www.psychologydiscussion.net/behaviour/7-methods-of-studying-human-behaviour/540
I think it's the 3rd one. Might be wrong though.
I think that they describe him as a lone hunter who falls in love with Pocahontas
No there shouldn't be a comma before the"or"