Passman is a term that may not be very familiar to many people, but it refers to someone who helps others move through a security checkpoint or gain access to a certain area. There are several synonyms for the word Passman which include Guide, Escort, Accompany, Assist, and Shepherd. When a person needs to be taken through a high-security area, they could be accompanied or escorted by a Passman who is well-trained to handle security protocol. The term Guide or Shepherd also applies, as they help move someone through a particular area without interruption. These synonymous words refer to a person's ability to facilitate the movement of others in a secure environment.