You mean World Editor triggers (GUI) or JASS? If yes, then check out our tutorials section to get you started:
WarCraft III Tutorials
There are a bunch of tutorials of the "getting started" or "GUI/JASS for begginers" kind in there, look them up for yourself. About which is easier, people generally
start by learning GUI.
If you have a
specific question about triggers or JASS, you should go to this forum:
Triggers & Scripts
Nah theater is too harsh to get started. I'd rather suggest him start by writing scripts for youtube channels. Easy, plenty of 'em, you can get the public reactions right away ("this sux lol").