The instant my father was dead creditors seemed to spring up out of the ground, and to assail us en masse.

You are supposed to have escaped, en masse, from your keepers.

One afternoon (I had then been three weeks at Lowood), as I was sitting with a slate in my hand, puzzling over a sum in long division, my eyes, raised in abstraction to the window, caught sight of a figure just passing: I recognised almost instinctively that gaunt outline; and when, two minutes after, all the school, teachers included, rose en masse, it was not necessary for me to look up in order to ascertain whose entrance they thus greeted.