The purpose of 1 Peter is to encourage the recipients to endure in their commitment to Christ. The description of being aliens in the land in which they live coupled with the general call to endurance throughout the letter suggests that they were suffering from some level of persecution.
But more than just suffer, we are to rise above the suffering and be a model for everyone around us. This second chapter provides us a list of the way that we are to model for the watching world our relationship to Christ. How many examples can you find?
Devotional by Steve Horn. Scripture links by www.biblegateway.com.