Well, based of my wikipedia search, Lua is somwhat similar to C. Lua's similar to C, C is similar to C++, and C++ is similar to Torquescript.
If you plan on scripting for Blockland, your major concern is learning Blockland's API and functions. I've been programming for years, and I hardly know any of Blockland's functions.
The best you can do is download some addons and see 'how they tick'. Maybe make a few modifications to them.