A person who enters without any invitation

A person who enters without any invitation Correct Answer Intruder

One word substitute is Intruder.

Burglar: a person who commits burglary.
Intruder: a person who intrudes, especially into a building with criminal intent.
Thief: a person who steals another person's property, especially by stealth and without using force or threat of violence.
Vandal: a person who deliberately destroys or damages property belonging to others.

Related Questions

Correct form of Expression : Which phrase is used to make an invitation?
The company --- spouses if employees in the invitation to the banquet .
She reassured me that she ———— the invitation letter.
Which of the following sentences expresses invitation?
Despite my invitation to attend the party, I would not be able to do so, it is a -- .