lietuvininkas

Etymology
From. Originally meant simply "Lithuanian", but over time the term became popular in, while lietuvininkas became established among ethnic Lithuanians in neighboring Prussian- and German-ruled territories (Lithuania Minor). In modern usage, the word refers specifically to the latter ethnographic/historic group.

Noun

 * 1) a  an ethnic Lithuanian from the territory of East Prussia
 * 2)  a Lithuanian who is particularly concerned about Lithuanian issues
 * 1)  a Lithuanian who is particularly concerned about Lithuanian issues