If you don't have a pet class, another option I believe Rokenn mentioned is
to have your Cleric hit Divine Aura/Barrier and pull the HT'ing mob.

Raiel

>> AOF
>> He's a level 37 SK and like all SK's his harm touch is a bitch. 2

Bubbles

>> of Bard life, if I remember correctly. 2 1/2 - 3 bubbles of Enchanter or
>
>Heh. I think the preferred method of disposing of harm
>touches is to have a pet eat it. In Mistmoore, I even managed