used by a speaker to refer to himself or herself as the object of a verb or preposition when he or she is the subject of the clause

I hurt myself by accident

I strolled around, muttering to myself

I or me personally (used to emphasize the speaker)

I myself am unsure how this problem should be handled

I wrote it myself

used by a speaker to refer to himself or herself; I

myself presented to him a bronze sword

recently, myself and the wife travelled to Dublin by train