Hello 
@Heav3n
I searched and found a response from @MeganB How to block people’s energies?
Megan posted some great ideas here, that might help.
I’m sending you healing and protection dear one! 
I hope you know that you are very strong, and you can set an intention to stop/block the “spying” and it will be so! I also agree with @Garnet’s advice on doing a return-to-sender spell! Before I allowed my inner witch to come out, I asked Angels to protect my space. And more recently, I have been working with Blue Dragons 
to clear negative energy and clear my path!
With love 
always