trespasser

/ˈtrɛspəsər/
noun
  1. A person who enters someone else's land or property without permission.
    • A sign at the gate warned that trespassers would be prosecuted.
    • The security guard escorted the trespasser off the construction site.
    • The farmer called the police when he saw a trespasser in his field.
  2. A person who does something that is not allowed or goes beyond acceptable limits.
    • In the debate, he felt like a trespasser on a topic he knew little about.
    • She apologized for being a trespasser on their private conversation.
    • The journalist was seen as a trespasser into the celebrity's personal life.
Antonyms
What does "trespasser" mean? | whatsthatwordmean | whatsthatwordmean