Okay kiddo, so let me explain what a straw owner is. Imagine you have a toy that you really like, but you can't take it to school because it's against the rules. So you ask your friend to bring it for you and pretend it's theirs so you don't get in trouble. That's kind of what a straw owner is.
In the grown-up world, people sometimes need to do things that are against the rules or the law. So they might use a straw owner to help them out. For example, let's say someone wants to buy a gun, but they're not allowed to because they have a criminal record. They might ask someone else to buy the gun for them instead. That other person is the straw owner – they're just pretending to own the gun, but really it belongs to the first person.
This can be a problem, because it's not fair or legal to use a straw owner to get around the rules. It can also be dangerous, because if the gun is used in a crime, the straw owner could be blamed even if they didn't do anything wrong. So it's important to always follow the rules and not try to cheat by using a straw owner.