Below are possible answers for the crossword clue I.
EGO
an inflated feeling of pride in your superiority to others
(psychoanalysis) the conscious mind
your consciousness of your own identity
FIRST
the fielding position of the player on a baseball team who is stationed at first of the bases in the infield (counting counterclockwise from home plate)
the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving
an honours degree of the highest class
the first element in a countable series; "the first of the month"
the first or highest in an ordering or series; "He wanted to be the first"
before anything else; "first we must consider the garter snake"
the time at which something is supposed to begin; "they got an early start"; "she knew from the get-go that he was the man for her"
the initial time; "when Felix first saw a garter snake"
ranking above all others; "was first in her class"; "the foremost figure among marine artists"; "the top graduate"
prominently forward; "he put his best foot foremost"
serving to begin; "the beginning canto of the poem"; "
FIRSTPERSON
ONE
eminent beyond or above comparison; "matchless beauty"; "the team's nonpareil center fielder"; "she's one girl in a million"; "the one and only Muhammad Ali"; "a peerless scholar"; "infamy unmatched in the Western world"; "wrote with unmatchable clarity"; "unrivaled mastery of her art"
indefinite in time or position; "he will come one day"; "one place or another"
being a single entity made by combining separate components; "three chemicals combining into one solution"
used informally as an intensifier; "that is one fine dog"
of the same kind or quality; "two animals of one species"
used of a single unit or thing; not two or more; "`ane' is Scottish"
having the indivisible character of a unit; "a unitary action"; "spoke with one voice"
a single person or thing; "he is the best one"; "this is the one I ordered"
the smallest whole number or a numeral representing this number;