I know you've already guessed what I does from the name but here it is anyway
Name: Door Locker
Alignment: Mafia Support
Attack: none
Defense: none
Unique Role: yes
Priority: (Optional) above escort, below trans, jailor, veteran and stuff
What ye do-
Ye lock someone's door at night
As you probably guessed it causes all visits to fail, except jailor, trans and stuff. Even your fellow Mafia's visits will fail.
-Investigative Stuff-
Sheriff: Suspicious
Investigator: Lookout, Forger, Witch, Door Locker
Consigliere/Witch: Your target locks doors. They must be a Door Locker!
Purpose: "TP LO ON ME TO CONFIRM ALL TP AND LO"