The Word is:”I”

I1

/ʌɪ/

noun

noun: I; plural noun: I’s; plural noun: Is; noun: i; plural noun: is

1.the ninth letter of the alphabet.
denoting the next after H in a set of items, categories, etc.
2.the Roman numeral for one.

I2

/ʌɪ/

pronoun

pronoun: I

1.used by a speaker to refer to himself or herself.
“accept me for what I am”
WEST INDIAN
me.
“Junior tell I is the army him a’work for”
WEST INDIAN
(especially among Rastafarians) used in reference to oneself or to people in general.
“I and I must submit to and follow Jah”

noun

noun: I; noun: the I

1.PHILOSOPHY
(in metaphysics) the subject or object of self-consciousness; the ego.

Source credit: Google