What metaphors are used in The Warrior's Path by Louis L'Amour?

Port Royal iis a metaphor for the slave industry. It is where the ships are going to sell their slaves and this is where Kin goes to find out information about the girls that have been previously sold. When Kin arrives at Port Royal he discovers that life is worth very little there and that it is a common occurrence for people to be killed for money or less. While here Kin is forced to fight several times and becomes engaged in a sword fight.