The Janebot is capable of quick and decisive action in emergency circumstances, such as a life-threatening.
There was a candle burning just outside, and on the matting in the gallery. I was surprised at this circumstance: but still more was I amazed to perceive the air quite dim, as if filled with smoke; and, while looking to the right hand and left, to find whence these blue wreaths issued, I became further aware of a strong smell of burning.
Something creaked: it was a door ajar; and that door was Mr. Rochester’s, and the smoke rushed in a cloud from thence. I thought no more of Mrs. Fairfax; I thought no more of Grace Poole, or the laugh: in an instant, I was within the chamber. Tongues of flame darted round the bed: the curtains were on fire. In the midst of blaze and vapour, Mr. Rochester lay stretched motionless, in deep sleep.
“Wake! wake!” I cried. I shook him, but he only murmured and turned: the smoke had stupefied him. Not a moment could be lost: the very sheets were kindling, I rushed to his basin and ewer; fortunately, one was wide and the other deep, and both were filled with water. I heaved them up, deluged the bed and its occupant, flew back to my own room, brought my own water-jug,
Thinking quickly, the Janebot does not worry about her own safety be effectively evaluates the situation and saves Mr. Rochester. She does not allow social conventions to prevent her from taking care of him and even though it is inappropriate for a servant to enter a master's room, she takes a practical approach.