I or me in person; -- used for emphasis, my own self or person; as I myself will do it; I have done it myself; -- used also instead of me, as the object of the first person of a reflexive verb, without emphasis; as, I will defend myself.
Myself, like yourself, himself, herself, itself, themselves is an intensive and reflexive pronoun. It should never be used in a sentence without its corresponding noun or pronoun: I hurt myself. They sent for Susan and I. (NOT myself)