A Korean.
The Kenyan ambassador to Seoul is called Ngovi Kitau.
A Korean. Seoul is the capital and largest city of S. Korea. So, much like someone from New York City is an American, so too is a person from Seoul a Korean.
An African American soldier on the frontier is called a Buffalo Soldier.
A down under soldier is called an anzac.
A soldier in the U. S. Army who fights with a rifle is called a weaponeer. A U.S. Marine is called a rifleman.
A person who goes to war is called a soldier. They may be a volunteer or a draftee, but they are still a soldier.
Someone from Seoul Korea is generally called "Korean", much like someone from Los Angeles is called "American".
A mounted soldier is called a knight. It begins with the letter k.
Seoul virus is carried by a type of rat called the Norway rat, and exists worldwide, but causes disease almost exclusively in Asia. Seoul virus causes a form of HFRS that is slightly milder than that caused by Hantaan virus
German Soldier or an Waffen SS Soldier.
Absent Without Leave