n (legal) Any individual or formal organization with standing before the courts. (defdate|from 14th c.)
n (grammar) A linguistic category used to distinguish between the speaker of an utterance and those to whom or about whom he is speaking. See grammatical person. (defdate|from 14th c.)
n (context|in a compound noun or noun phrase) Someone who likes or has an affinity for (a specified thing). (defdate|from 20th c.)