To change the name you see in Wickr for your Contact, you can edit the nickname. This can help you to easily see who the Contact is and organize according to department/company/organization/rank/status/time zone or however you prefer to organize the Contacts in your Contact list.
1. Tap/click on the Contact's Avatar in the Conversation or Contact list
2. Tap/click on the bold Nickname above the Contact name
3. Type the new Nickname and press enter to save the name