“Passenger” means every person other than:
.1 the master and the members of the crew or other persons employed or engaged in any capacity on board a ship on the business of that ship; and
.2 a child under one year of age.
Source: IMO Resolution MSC.266(84), Code of Safety for Special Purpose Ships, 2008 (2008 SPS Code), 13 May 2008, International Maritime Organization. Regulatory Guidance