Get some Heal Mastery or Intelligence Items [Clubs, Heavy armors] and then get a good heal charm, This would probably be the best way because you would want to multiplayer with him rather than level on your own. If you can also get some good Ee on your heavy armor because this will help in tanking. As for the stats you can vary upon this, either go all out intelligence, or half vit/half intelligence. But with a good heal charm and you constantly healing all intelligence should be good. Then you basically cata with people and you being the healer, and you would then level fast. That's pretty much a way to go
Read these guides if you want more info :
http://forums.d2jsp.org/index.php?showtopic=19782009&f=272 http://forums.d2jsp.org/index.php?showtopic=20473486&f=272