Do you have wrestling on your template?
Do you carry a mage weapon?
These 2 things could explain why your getting killed so quickly and easily. Lich Lords hit very quickly and cast as well. If you don't have a defensive skill or a mage weapon you'll be killed quickly. I had the same problem on my tamer. I started carrying a mage weapon and now it's much easier to stand near monsters. But with a mage weapon you don't get to use slayer spell books.
Also when I play my Tamer I have protection cast on me. (It lowers your physical resist but I cast reactive armor and it gives the physical points back) This allows me to stand next to a Lich Lord and not have my spells interupted.