related person; relative
Refers to a person with a family, personal, or professional connection, often used in contexts like hiring, introductions, or legal matters.
He got a job at that company through a personal connection.
I was introduced to a good doctor through a relative.
知人 is an acquaintance, a person one knows, but 縁故者 implies a stronger or more formal tie, such as family or a connection used for introductions.
person with a special relationship; special relative
Compound of 縁故 (connection, relationship) and 者 (person). The exact historical derivation is uncertain, but the word is conventionally associated with personal or family connections.