-The slave dealer is a travveler of oceans.wanderer is someone that travels aimless but he does not travel aimlessly but trades in slaves through selling or buying them.there is nothing aimless about his activitys
-Metaphor-"Wanderer"The slave dealer is compared to a Wanderer to emphasise the extreme loss that the he feels. -Wandere is also written in capital letters to show that it is a name.The name is given to the slave dealer.