#2 has your awnser.
All trusted+ member who speak Polish are listed there.
If you have an issue that can't be resolved by any of these member than i would suggest PM'ing the appropriate Mod in english by explaining the situation with as many detail as possible.
User groupIf it's an issue within the Trade section, pm a Trade moderator.
If it's an issue outside of the Trading section PM a Junior Moderator.
If it's an issue with a recent Warning you can PM a Senior Moderator.
If it's an issue regarding staff member you can PM BlindzF or goldbranch
If it's an issue related to account/security you can PM Kevin.
If it's anything else then you can probably post here and we'll most likely be able to assist you or refer you to the right person.