The servants were laborers of the great lands commanded by the 'masters' and lived in the vicinity of the property. They were tied to the land for work, had no right to pay or benefits, but worked to live on the spot and received the necessary supplies to feed and survive. For this reason, the way for a poor person in Europe to have a chance at a better life was to become a indentured servant.
The first letter of each word makes Suribachi. Mt. Suribachi held special significance in the Battle of Iwo Jima because that is where the US Marines raised the flag