Wow. Either google translate or horrible attempt at English as its nearly impossible to fully grasp what your asking...
Redtrust is typically reserved for those shady users and the vast multi-account bounty abusers. And good luck getting rid of red once its there cause you obviously did something shady for it.
As for earning merits. Be involved and active here on BCT. Try being something worthwhile instead of a bounty zombie riding up campaign managers arses...
Those were generic responses not specifically geared towards anyone but more at everyone