I found an iPod can’t help unlock

I’m sorry no. That’s the activation lock and it’s meant to be theft deterrent/safety measure so there is no user work around.

Turn it into the police, run an ad, do something to get it back to its original owner...or recycle it responsibly.

Further details: Activation Lock for iPhone, iPad, and iPod touch - Apple Support

https://support.apple.com/en-us/HT201365