Hobbit hater

Someone who believes people deemed "unattractive" deserve to be excluded, mistreated, or erased from society based on their intrinsic appearance, height, or mannerisms.

"She refused to hire anyone who didn’t look like a model."
"Sounds like a total hobbit hater to me."

Doorknob greaser

A prowler who tests doors at night to find unsecured homes. They’re usually deterred by signs of male presence.

"I caught someone jiggling the handle last night."
"Sounds like a doorknob greaser, put some of your husband's worn workbooks out on the stoop."