If you have created group on viber and want to change its admin then it is very simple to do so. By doing so your admin can add more members and you will be having good experience of chat with multiple members. You can add hundreds of members in one group. So, you can exchange your ideas and thoughts. The admin can add or remove members, can pin the specific chat as well as delete the various messages that he thinks is not suitable to be a part of chat. The person when create a community can become an admin or superadmin.
Let's see how can you Add Admin in Viber Community.
Open Viber Mobile App like this
Open "Group Chat"
Click on Group name like this
So that further options will open up
Now you can see an option of "Add Admins"
Click on it
Now list of group members will open up.
Select any Contact whom you want to became Admin.
And click on "Tick" icon to save this settings
Now you can number of Group Admins increases upto 2.
In this way you can add multiple Admins in Viber Group Community.