Okay kiddo, you know how there are boys and girls, right? Well, sometimes when a boy grows up, he starts to feel like he is really a girl on the inside, or vice versa. And sometimes, someone might feel like they don't really fit into being either a boy or a girl, and that's okay too.
So when we talk about "new men," we are talking about people who were assigned male at birth (because they were born with a penis) but who identify more as masculine or male than as female or feminine. Some "new men" might have always felt this way, while others might have realized it later in life.
It's important to remember that everyone deserves respect and kindness, no matter how they identify or express themselves. And it's okay to ask questions and learn more about new men or any other gender identity - that's how we all grow and become better friends and neighbors.