a) been trying to prevent Harry from seeking a way to bring back the dead
If Quirrell is going through time by using up bodies and moving to new ones, applying a bring “back from death” spell to a former host might force him back to his previous used up body.
If Quirrell is going through time by using up bodies and moving to new ones, applying a bring “back from death” spell to a former host might force him back to his previous used up body.