Suffering leads to holiness, but not all suffering has this redemptive quality. Peter warns that Christians must only suffer according to God's will.
But let none of you suffer as a murderer, a thief, an evildoer, or as a busybody in other people’s matters. (1 Pet 4:15).In these circumstances, suffering is what we deserve.
But how is it to your credit if you receive a beating for doing wrong and endure it? (1 Pet 2:20).Peter reminds Christians that they should only suffer for doing good.
It is better, if it is God's will, to suffer for doing good than for doing evil (1 Pet 3:17).The suffering to which we are called is suffering as Christians. We should be perfect in our behaviour, so there is no just cause for complaint against us (1 Pet 3:15, 16).