One thing to remember is that a single character can alternate between the roles of protagonist, antagonist or supporting depending on the story line and situation. In fact characters that can transition fluidly from one role to the other are often some of the most long-lived.
It is very difficult to move a story line along if everyone is constantly concerned with sharing the spotlight perfectly equally. However when a character is able to alternate between providing back-up for their companions, and taking their own lead in a plot, while tossing the occasional wrench into the gears, it keeps things interesting and varied.
My key rule of thumb is to play the sidekick more often than the protagonist and the protagonist more often than the trouble maker. Give other people the spotlight most days but don't be afraid to take your turn, when the time is right.
It is very difficult to move a story line along if everyone is constantly concerned with sharing the spotlight perfectly equally. However when a character is able to alternate between providing back-up for their companions, and taking their own lead in a plot, while tossing the occasional wrench into the gears, it keeps things interesting and varied.
My key rule of thumb is to play the sidekick more often than the protagonist and the protagonist more often than the trouble maker. Give other people the spotlight most days but don't be afraid to take your turn, when the time is right.
