Bullying is the opposite of caring, and the mirror image of sharing/exchanging.
Cheating is the opposite of sharing/exchanging, and the mirror image of caring.
To say that A is a mirror image of B is to say that A is antithetical to B: i.e., A makes B impossible.
To say that A is the opposite of B is to say that A is the “dark” version of B, and B is the “light” version of A.
Morally speaking, “dark” means that I thrive at your expense: I win, therefore you lose. (Left hand side.)
Morally speaking, “light” means that we both thrive together: I win, you win. (Right hand side.)
The top half (bullying, sharing) exists as a left → right spectrum from “dark” (me+,you–,we–) to “light” (me+,you+,we+) .
The bottom half (cheating, caring) exists as a left → right spectrum from “dark” (me–,you–,we–) to “light” (me–,you+,we+).
The right hand side represents the morality of cooperation: there is a joint goal
of win-
The left hand side represents the amorality of violating the rights of others for my own benefit: our goals are separate.