cc.com is perfectly safe, family friendly, prayer request allowable, christian chat site
welcome, and as a recommendation, prayer threads, testimonies, blogs, poetry <-- look at those first (start with friendly forums)
even if heart is not ready to pray for others yet, read those words like psalms, learn to think nice and caring thoughts like Phil 4:8, without commenting, visit and read kind words.
good advice?
and also, before going into any BDF forums, make sure you are super-secure in your salvation, I cannot emphasize this enough.