46 CFR §90.10-29

1. (a)The term passenger means—
   1. (1)On an international voyage, every person other than—
      1. (i)The master and the members of the crew or other persons employed or engaged in any capacity on board a vessel on the business of that vessel; and
      2. (ii)A child under 1 year of age.
   2. (2)On other than an international voyage, an individual carried on the vessel, except—
      1. (i)The owner or an individual representative of the owner or, in the case of a vessel under charter, an individual charterer or individual representative of the charterer;
      2. (ii)The master; or
      3. (iii)A member of the crew engaged in the business of the vessel who has not contributed consideration for carriage and who is paid for onboard services.
2. (b)The term passenger for hire means a passenger for whom consideration is contributed as a condition of carriage on the vessel, whether directly or indirectly flowing to the owner, charterer, operator, agent, or any other person having an interest in the vessel.