A friend considers sharing an achievement good news, an enemy thinks it's bragging.

To a friend, achievement is good news, to an enemy, its bragging.

Society's indolent, mediocre, or even criminal are not hated with daily public fury reserved for those who accomplish and achieve.

Where you see valid achievements or virtue being attacked, it's by someone viewing them as a mirror of their own inadequacy instead of an inspiring beacon for excellence.

Slander is the only way some have of feeling close to accomplishment.

Friend is a verb.