This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...unions ( voluntary ones), political parties, etc. It applies also to all agency agreements: the right of one man to act for or represent another or others is derived from the rights of those he
represents and is delegated to him by their voluntary choice, for a specific, delimited purpose — as in the case of a lawyer, a business representative, a labor union delegate, etc.
read full book
/> A group, as such, has no rights. A man can neither acquire new rights by joining a group nor lose the rights which he does possess. The principle of individual rights is the only moral base ...