this person is called a soldier
A neutral country.
mobilization
A turncoat.
Admiral
mandate
A neutral country.
A civil war.
They are usually called refugees. If the danger is war, they are war refugees. If the danger is because they oppose the ruler(s) they are political refugees.
A soldier?
mobilization
That would be a neutral country
Civil war
If you mean an AMERICAN that favored the U.S.'s involvement in Vietnamese war, those would be called Nationalists. Nationalist: A person who advocates independence for a country A person with strong patriotic feelings, especially one who believes in the superiority of their country over others'.
A person who believes that war is wrong is called a "pacifist".
You would call them veteran!
pacifist
No single person goes to war in the usual sense of the word. A countries leader or leaders commit the country to go to war as a whole.An individual may go elsewhere to fight in a foreign war because of personal reasons but such statistics cannot be accurately recorded.