Lawful Private Association is not Legal Public Policy and is immune from state scrutiny.
In an opinion authored by Justice John M. Harlan II, a unanimous Court decided in favor of the petitioners, holding that “Immunity from state scrutiny of petitioner’s membership lists is here so related to the right of petitioner’s members to pursue their lawful private interests privately and to associate freely with others in doing so as to come within the protection of the Fourteenth Amendment.”
National Association for the Advancement of Colored People v. Patterson
https://www.oyez.org/cases/1957/91
PRIVATE PERSON. An individual who is not the incumbent of an office.
INCUMBENT. A person who is in present possession of an office; one who is legally authorized to discharge the duties of an office. In ecclesiastical law, the term signifies a clergyman who is in possession of a benefice.
PRIVATE. Affecting or belonging to private inindividuals, as distinct from the public generally. Not official; not clothed with office.
-Blacks Law Dictionary 4th edition