Person
Part of speech: noun
Definition: A human being; an individual. A specific human being. The physical body of a specific human being. Any individual or formal organization with standing before the courts. 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.
Example sentence: A smile is the light in your window that tells others that there is a caring, sharing person inside.
Somebody
Part of speech: pronoun
Definition: Some unspecified person.
Part of speech: noun
Definition: A recognised person, a celebrity.
Example sentence: A somebody was once a nobody who wanted to and did.