A person who is mature enough to speak inoffensively even when abused. He is capable of telling harsh truths and abuse back without actually using offensive words.
A Euphemist is the coolest guy there is amongst adversities.
A Euphemist, when consistent, goes a long way in life & succeed in commanding people and being popular.
Also, a Euphemist is subtle in his ways & everyone cannot understand him.
"I just tried abusing a euphemist. The guy talks so much sense that I had to apologize to him"
"Damn that euphemist. Its impossible to win over him."