Paweł Madej wrote:
If you know someone from Poland and is/was interested in participating with FSFE please let me know, so I can talk with him/her about cooperation and help.
I don't know whether they'll be interested, but you might want to contact the Polish gnu.org translation team [1] and especially their fearless leader Wojciech Kotwica. You might also consider helping them with translations of gnu.org articles.
[1] http://www.gnu.org/server/standards/README.Polish-translation.pl.html