Hey Bernie, you should be honored!
ma·ven also ma·vin ( P ) Pronunciation Key (mvn)
n.
A person who has special knowledge or experience; an expert.
[Yiddish meyvn, from Hebrew mbîn, active participle of hbîn, to understand derived stem of bîn, to discern. See byn in Semitic Roots.]
Better than lost in cyberspace...