Telling someone can seem really scary and you might feel like you'll get in trouble. But telling someone can really help you start to get out of a bad or uncomfortable situation.
Sometimes the person might pretend to be like you and have the same interests or problems as you.
Nobody should blackmail or pressure you into doing something sexual online. If you want to speak to someone you can trust about grooming, you can speak to one of our Childline counsellors.
We're here to listen and give you the support you need. If you share sexual photos or videos of yourself with someone, you may lose control over them.
The other person may end up showing them to other people.
They could even use images you’ve sent to blackmail you. And online groomers can be really good at lying about who they are.
But it's really important to understand the dangers of talking to someone you don't know.