Peter's final command is found in verse 17. And it serves as a kind of summary statement or code for Christian behavior in this world. The NIV has the first phrase as kind of a summary command which is explained by the following three commands. It is more likely that these are four separate commands that help us to understand our relationship responsibilities. We can build a bit of a pyramid from these 4 commands in order of importance and significance.
Christians are to treat all people with respect and honor.
Whether they are people we must submit to or not. This of course rules out racism or favoritism or prejudice. We are to show proper respect to everyone. This is an aorist imperative, or simple command. The next level up would be the king.