dislodge, free -- (remove or force out from a position; "The dentist dislodged the piece of food that had been stuck under my gums"; "He finally could free the legs of the earthquake victim who was buried in the rubble")
shift, dislodge, reposition -- (change place or direction; "Shift one's position")
dislodge, bump -- (remove or force from a position of dwelling previously occupied; "The new employee dislodged her by moving into her office space")