Give Side Characters Their Own Goals
It's easy to focus most of your attention on the protagonist. After all, they're the center of the story. But if your supporting characters exist only to give advice, deliver information, or cheer the hero on, your world can start to feel flat. Real people don't pause their lives whenever the main character enters the room. They have dreams, fears, frustrations, and problems of their own.
Strong side characters make stories feel alive.
Think about the people in your own life. Your friends, family members, coworkers, and neighbors all have goals that have nothing to do with you. They have their own worries, relationships, and ambitions. Fictional characters should feel the same way. Even if readers never see every detail of a side character's life, they should sense that life exists.
Supporting characters don't need entire novels dedicated to them, but they should want something. Maybe the protagonist's best friend is trying to get into medical school.
Perhaps the older brother is struggling to save his marriage. Maybe a coworker dreams of leaving town and starting over somewhere new. These personal goals add depth and create opportunities for conflict, growth, and emotional connection.
Side characters can also have desires that clash with the protagonist's goals. A mother who wants to protect her daughter may accidentally hold her back. A friend who fears being abandoned may react badly when the protagonist gets a new job across the country. A business partner chasing success may prioritize money while the hero values loyalty. Those conflicting desires create realistic relationships.
Fear is just as important as ambition. A side character who hides behind humor because they're afraid of rejection will behave differently from someone who's terrified of failure. Their insecurities, habits, and motivations shape the way they interact with others. Those little details make them memorable.
Consider the difference between these two friends:
Friend Number One exists only to say, "You should follow your dreams."
Friend Number Two wants to open a restaurant, worries about disappointing her parents, and secretly feels jealous when the protagonist succeeds.
Which one feels more like a real person?
Readers remember characters who feel human.
Giving side characters their own goals also makes your world bigger. It creates the sense that life continues even when the protagonist isn't around. That's what makes fictional worlds feel believable. Every character doesn't need equal attention, but they should feel like they could walk off the page and continue living their lives.
Side characters are also wonderful tools for revealing different sides of the protagonist. A childhood friend might bring out their playful side. A younger sibling might reveal their protective instincts. A rival could expose jealousy or pride. Relationships show readers who characters truly are.
Not every side character needs a tragic backstory or a complex subplot. Sometimes a simple desire is enough. Maybe they want love. Maybe they want respect. Maybe they just want a quiet life. What matters is that they want something.
Because people who want things make stories interesting.
And worlds filled with interesting people feel real.
So the next time you introduce a supporting character, ask yourself:
What do they want?
What are they afraid of?
What are they hiding?
How do their goals affect the protagonist?
Who are they when the hero isn't around?
The answers will make your story richer.
Because side characters aren't furniture.
They're people.
And readers can tell the difference.
✨ Writers, who is your favorite side character you've ever created? What do they want, and how do their goals affect your main character? Share your thoughts in the comments. We'd love to meet them.