Definition: Psusun01: A term used in Jewish religious texts to denote a person who has been appointed as an official or priest, often serving for a period beyond their regular life cycle. The term comes from the Hebrew phrase "puk-sun" meaning "a person" and "-01," which is a placeholder for the individual's birth year. Definition: Psusun01 is the equivalent of a secular official in Jewish religious texts who has been appointed to perform duties that are traditionally associated with a priest, such as officiating over rituals, administering laws, or serving on religious councils.