Meaning of “anyone” - Learner’s Dictionary

anyone

pronoun us uk /ˈeniwʌn/ also anybody
Have you discussed this matter with anyone else?Has anyone called the police?We don't serve alcohol to anyone under 18.Did anyone witness the attack?Would anyone like some more food?
A PERSON

A2 used in questions and negatives to mean 'a person or people':

I didn't know anyone at the party.
Does anyone else (= another person/other people) want to come?
ANY PERSON

B1 any person or any people:

Anyone can go - you don't have to be invited.

(Definition of “anyone” from the Cambridge Learner’s Dictionary © Cambridge University Press)