Eustace has accused Edward of trying to acquire his property of Highnoons and Edward has advertised for a young woman to come and marry his cousin and thus inherit the property in the event of anything happening to Eustace. Elinor's arrival in search of the position of governess is thus at cross purposes.
Eustace has made claims against Edward regarding the acquisition of Highnoons estate, and Edward has placed an advertisement for a young woman to marry his cousin in order to secure the property if Eustace faces any challenges. As a result, Elinor's arrival is at odds with her intended position as governess.