Peter has been instructing believers to live righteously and not fear those that persecute them.

## suffered for us ##

The word "us" includes the speaker, Peter and the audience. (See: [[rc://en/ta/man/translate/figs-inclusive]])

## In the spirit, he went and preached to the spirits who are now in prison ##

After Christ was killed he went to the place of the dead and preached to the spirits.