- Any person. You use this when there is no limit to who might be meant. You might be able to change "anyone" to any person's name.
- Help! Can anyone hear me?
- I don't know anyone here.
- Anyone who want to come along may.
- Anyone is not like a usual pronouns. It has no reflexive form and no different subject or object forms. It even uses the possessive 's of common nouns. For this reason, some people consider it to be a compound determiner.