Noob here seeking help

[:1]Hi im not a huge rts player, and i just started playing wc3. i play at alot of lan parties with friends but always just back out since im no good at the game. i like playing Night Elfs with demonhunter. can anyone help me learn the game better so i can actually get better and win. i play against alot of orc and undead players. i need a trainer of some sort.