Mean

What does this word mean, exactly? Oxford says:
Convey
Intend
Unwilling to give or share
Unkind, spiteful
An average
A condition, quality or course of action
Equally removed from two apparent extremes.

I don't understand why it is mean
To call someone average.
Is there distinction in being average?
In this culture it is distinctly wrong.

I don't understand why we
Are unwilling to give or share.
I do understand intent.
People who are mean mean harm
This is an early lesson.

We sometimes never learn to spot the mean ones
Or we know them but fail to spot their meanings.
I mean to avoid extremes.