You can not connect because you need Hamachi to connect. It is a program that somewhat helps host servers.
Griefing; The act of destroying someone elses build without permission from the builder.
I would love to manage the idiots, though I myself am not much of a PvP person, so in plain terms: I would be a good Co-Owner, as I have been one before, but would not be actually playing with others much.
I tried the demo once... My Physics Teacher tried to explain to me how Rockets work... He was very wrong about how to make it launch and kept making fireworks... My rocket barely made it off the ground, but still landed with out exploding. I am smarter :D