yes you can do thing that other people can't and other people can do things that you can't sooo there's your answers
People Watchers.
People from other countries are called foreigners or immigrants.
Slaves
That is called a "war"
Yes. She is still your bff because going out with other people does not change anything.
Is a group of people relate each other
Then as now, people who sign other people up for the military are called recruiters.
These people suffer from co-dependency.
They are not exactly called anything. A person might be anorexic if they do not eat a lot, but not exactly, as anorexia also involves numerous other factors.
The person driving the car is the driver, and any other people are passengers. He is actually called a car man.
It is sometimes called hate crime.