What is a character trait for a person who spies on you?

A character trait of a person who spies on you could be described as secretive or deceptive, as they operate in stealth and conceal their true intentions. This person may also exhibit a lack of trustworthiness, prioritizing their curiOSity or agenda over respect for your privacy. Additionally, they might display a sense of control or manipulation, seeking to gain power through information they gather without your knowledge.