Answer:
Yes and no.
Explanation:
While calling anyone (including yourself) a loser is technically not bad language, It can really put you or anyone else down
That would be changing beliefs. because motivating a peace activist to action would mean motivating them to protest peace.
weakening their attitude would result in a sedentary and apathetic response. and strengthening their values would be making them even more of a pacifist. therefore you most change their beliefs before you go forth with any of the other options.
hope this helps!
by age 6 children have a spoken vocabulary of around 10,000