Wulf has made a guide on how to become a moderator and what a moderator is. The thread can be found here. I hope this answers your question!
Hey Mate, Go Onto Other Kaw Discussion And Look At Wulf's Guide On Moderators It Gives You All Details On What You Need To Apply
In the future, if you have a question I highly suggest posting on Dillybar's "Post Questions Here" thread
Actually all moderator applications are no longer done through email (wulf's guide is still useful just out of date) All questions and other useful information including the actual moderator application can be found here