A humanitarian purpose means that an organization wants to help people in the most need, typically after a disaster, and it combats hunger, thirst, helps people cope with temperature (such us providing housing after an earth quake) and deals with any acute problems (but typically not wish long-term problems, such as development).
This will lead to openness or Privacy Dialectic. Privacy dialectic captures the wish or longing for both intimacy while we desire or get distance between ourselves and others. The open–closed dialectic is the inner fight stuck between our expression and privacy.
There are many reasons why a tribe would leave behind it’s lands and go to the unknown. Climate change, lack of food, enemies, or simple desire for exploration. All of these might be the reason why Asian tribes settled into the South and North America. Since these territories were unpopulated, they brought in the human factor into the pristine ecosystem.
I need the images to answer this.