Five Nightly Stays At Sir Frederick Fitzgerald Fazbearington

You are an unnamed servant of Duke Oswald of the Afton House, and he instructed you to guard his manor, but you're not here to keep ruffians  out,  you're here to keep these things in.

You're not sure on what to do, as the last thing the Duke told you was:

'Click Thine Spyglass to Observe Where These Treachearous Beasts Wander Through;

See If They art at Thine Door By Using Thine Lights And Send Them Away, By Means of Closing Thine Doors At Them!'