What is "jorwert"

Jorwert is a village in Friesland,in the municipality of Littenseradiel, with a population of 360. The nickname for inhabitants of Jorwert is "Dweilstikken", meaning poor people who are dependent of rich ones. The village is built around a central " terp", a man-made mound between 4 and 8 feet tall built to provide relief from the high tides of the sea before dykes were constructed around the 10th century.