Royals want to do what their parents did and rebels want to write their own destiny. Example: apple White is a royal so she wants to be the inayofuata snow white. Raven Queen is a rebel so she does NOT want to be the inayofuata evil Queen and she wants to 'write her own destiny'
The Royals are mainly the blood children of kings and queens. They also embrace their destiny and look mbele to following it, Happily Ever After au not. The Rebels are usually commoners' children and want to rewrite their destiny.