Set owner information
Go to of your app drawer. Then search for the app Contacts. Open it. To edit the owner information you should go to the Me contact. It is at the very top.(not by the &quot;m&quot;) there you can set all the information for the owner. When you are finished, tap save.
In Settings go to Lock Screen, then you will see an option Owner Info like in the screenshot below:

That is an option where you can type some text and it will be displayed on your Lock Screen like this:

Hope my answer helps. For any question just leave a comment below instead of down voting.