Meetup is the place to be if you want to network and join events from people with similar intrests. But if you want to close your profile, you can do that in the account settings.
I’ll show you what you need to do to leave this platform on a desktop computer:
1 Go to Meetup.com
and log in to your account
2 Choose “Settings”
you can find this option by clicking on your profile picture in the right top corner.
3 Delete your Meetup account
is a blue link you will notice when you scroll down to the bottom of the General settings.
4 Final step: Enter your password
and click on Submit.
You will see a confirmation that your account has succesfully been closed.
Source (= screenshots taken from): Meetup.com