The best way to contact us is to write a with GnuPG encrypted e-mail to
ypg-international@riseup.net
Our public key is here: https://ypginternational.blackblogs.org/wp-content/uploads/sites/243/2016/07/YPG-International-ypg-international@riseup.net-0xB74AED15-pub6.asc