Voluntary return means when someone decides to go back to their home country by choice. It's like when you want to go back to your own house after a sleepover at a friend's house.
Sometimes, people leave their home country to go live in another country. But if they don't like it or if they miss their own country, they can choose to go back home. This is called voluntary return.
When someone chooses to do a voluntary return, they usually get some help from organizations that work with immigrants. They can help with things like buying a plane ticket and packing their stuff.
It's important to remember that voluntary return should be done safely and legally. The person going back home needs to make sure they have all the proper documents and permission from both the country they are leaving and the country they are going to.