Individual
Part of speech: adjective
Definition: Relating to a single person or thing as opposed to more than one. Intended for a single person as opposed to more than one person.
Part of speech: noun
Definition: A person considered alone, rather than as belonging to a group of people. An object, be it a thing or an agent, as contrasted to a class.
Entity
Part of speech: noun
Definition: That which has a distinct existence as an individual unit. Often used for organisations which have no physical form.An existent something that has the properties of being real, and having a real existence.An organized array or set of individual elements or parts.The state or quality of being or existence.