Will you, Severus Snape, watch over Draco Malfoy, as he attempts to fulfill the Dark Lord’s wishes? And will you, to the best of your ability, protect him from harm? And, if Draco should fail, will you yourself carry out the deed the Dark Lord has ordered Draco to perform?
‘Come and dance,’ he added abruptly to Hermione. She looked taken aback, but pleased too, and got up: they vanished together into the growing throng on the dance floor. ‘Ah, they are together now?’ asked Krum, momentarily distracted. ‘Er – sort of,’ said Harry. (Harry Potter and The Deathly Hallows Books)