Worldly Christians are accepted by everyone. They go to Church, but on the job and outside the church building they’re no different than anyone else. Peter tells us though that if we are a true Christian we will be rejected by the world (like Christ was). We can have hope though because those that criticize our moral and decent life will actually be shaming themselves.
If we live a life above repute then by criticizing us – they really just bring attention to how lacking their life is. It becomes abundantly clear if you are living like Christ then there is honestly nothing to criticize about your conduct! You will be a honest, moral, joyful person – the ones criticizing you then reveal themselves as the true immoral, evil-doers.
And in this revealing of true personalities and motives we have the opportunity to teach others why we have the Hope that we do!
1 Peter 3:15-16