"I and ME" are both first person singular pronouns.

"I" is a subject singular pronoun used to begin a sentence: I am leaving for Lagos today.

Also, when referring to ourselves with someone else in the subject position, we make use of "I" and not "me": Okoro and I are going to the river.

TAKEAWAY: " Mirror becomes a razor when it's broken. A stick becomes a flute when it's loved." --- Yoko Ono