The like figure whereunto
even baptism doth also now save us (not the putting away of the filth of the flesh, but the answer of a good conscience toward God,) by the resurrection of Jesus Christ: 1Pet.3:21
A good conscience toward God can only come from following the guidance of the Holy Spirit. This leads to being baptized with his fire,
For
it is better, if the will of God be so, that ye suffer for well doing 1Pet.3:17
Our Savior suffered for well doing and said his followers would also. The Bible also tells us Christ will baptize with the Spirit and fire. Fire purifies,
I have chosen thee in the furnace of affliction. Isa.48:10
So if we're suffering some injustice, consider it a blessing. We're being purified, like the Lamb is pure.