Wikipedia:Babel
enThis user is a native speaker of the English language.
de-2Dieser Benutzer hat fortgeschrittene Deutschkenntnisse.
500+This user has made more than 500 contributions to Wikipedia.
This user might or might not have an academic degree, and considers the distinction irrelevant on Wikipedia.
This user's degree has little or nothing to do with their chosen profession.
rpgThis user is an aficionado of role-playing games.
This user is a Dungeon Master.
This user is a Traveller Game Master.

I'm a human being in the United States. The most notable contribution I've made to Wikipedia may be starting the List of fictional astronauts, of which I am alternatively amused and proud.