She is fearful of them. i think thats the answer
The landlady asks Valjean if he heard anyone come in during the previous evening. Valjean responds how he heard footsteps, and the landlady tells him it was most likely the new tenant, a man named Dumont. Valjean begins to worry that the landlady is spying on him for Javert. He resolves to leave the Gorbeau House as quickly as possible.
well, best if you don't ask anything if u wanna ask something
; like what is the whole process like for example the meiosis and mitosis process.