Nestor

(n.) A genus of parrots with gray heads. of New Zealand and papua, allied to the cockatoos. See Kaka.

Thesaurus Entries

Dutch uncle, Polonius, admonisher, adviser, backseat driver, buttinsky, confidant, consultant, counsel, counselor, expert, guide, instructor, kibitzer, meddler, mentor, monitor, orienter, preceptist, teacher