1. Any person who enters the City of Los Angeles as a stowaway on any ship or who lands in this city after having arrived herein as a stowaway, whether his presence aboard was discovered prior to such entry or not; and
2. Any person who embarks as a stowaway on any ship destined for a port outside the City of Los Angeles; and
3. Any person who harbors, conceals or who knowingly assists any stowaway in avoiding detection upon any ship within this city; or who aids any person in embarking or attempting to embark as a stowaway; and
4. Any person who enters this city as a stowaway on any aircraft or who boards any such craft in this city as a stowaway, is guilty of a misdemeanor and is punishable as provided in Section 11.00 of this Code.