Commoner: Coming from a humble background these are everyday folk, used to hardship and poverty. Generally has a profession and in smaller settlements might work for themselves or a merchant in larger towns and cities.
Wealthy. A wealthy lifestyle means living a life of luxury. You have respectable lodgings, usually a spacious home in a good part of town or a comfortable suite at a fine inn. You likely have a small staff of Servants.
Monster. A monsterous enemy could be something as weak as a goblin to as powerful as a ancient dragon. They consist of monsterous races and creatures. They might have done battle with the creature, been robbed by it, wanting revenge, or hunting it.