No im not referring to the Rebel alliance fighting itself. In this case "Rebel" is just basically anyone who wants to get rid of the empire and fights to do so. Now though all rebels have the common ground of wanting to get rid of the Empire, it would make sense that there are still ideological differences between certain rebel individuals and organizations. Perhaps certain people/groups don't mind using terrorist tactics or other types of unethical behavior to fight the Empire (this would also make sense if some of the Rebel groups are also criminal groups, like pirates, etc). Of course there would also be other people who have a stronger sense of morality, and would dislike the methods/tactics that other groups use. Therefore this could lead to conflict between "rebel" groups. And if this does happen in the show, it would surely show that just because someone is opposed to the Empire doesn't make them a good guy, which i think is better then showing all rebels as good guys. What do you think?