Shawnacy's 4E D&D Game, part 2!
Yes but combined with the fighter they would need to shift and forgo their standard to move again, taking one C/C attack. Or move and have the fighter interrupt their movement with an OA. Barring that you have to remove the fighter from the area, thus fulfilling it's defender role.
Heh, when I first met the Seer, the party though he was a torture victim, set him free, healed him with Encounter Powers!!! and then got surprise attacked by his whole band.
What's up with the horse?