What must you do as a Cultural Anthropologist before you begin your fieldwork? What factors should you consider and why?

report on an indigenous group living in the Upper Amason in Brazil. The area they live in is remote, the people are friendly but wary of outsiders, and we have little in-depth knowledge of their customs and traditions.

Organization of the Ethnographi report should be as follow:

Answer question 1: What must you do as a Cultural Anthropologist before you begin your fieldwork? What factors should you consider and why?

List the factors in logical order:
How do you collect your data?
How do you maintain your neutrality?
Do I need to learn the language?
Should I take part in normal family activities or does that jeopardize my neutrality?
Must I always eat what the community under study eats?
What should I do if a subject becomes hostile and refuses to cooperate?
What other factors should be considered when conducting your data collection?