/ˈkɔː.lər/ – Noun
Definition: người kêu gọi, người gọi điện thoại, người đến thăm.
A more thorough explanation: In legal terms, a “caller” refers to a person who makes a telephone call or initiates communication with another party. This term is often used in the context of telecommunications and can also refer to a person who visits or contacts a business or organization for a specific purpose.
Example: The caller identified themselves as a witness to the accident.