the aforementioned person; that person (formal)
Formal written expression used in documents, minutes, or official records to refer back to a previously mentioned person. Not used in everyday conversation.
The minutes record, 'The aforementioned person expressed agreement.'
personal union
同 is used anaphorically to mean “the aforementioned,” while 君 refers respectfully to a male person; together they mean “the aforementioned gentleman” or “that person.”