 The Slovaks and Gypsies appear to know his true nature, for they laugh at Harker when he tries to communicate his plight, and betray Harker's attempt to send a letter through them by giving it to the Count.Dracula seems to be able to hold influence over people with mental disorders, such as Renfield, who is never bitten but who worships Dracula, referring to him over the course of the novel as "Master" and "Lord".Dracula also afflicts Lucy with chronic sleepwalking, putting her into a trance-like state that allows them not only to submit to his will but also seek him and satisfy his need to feed.