There is no way this is equal to compensation. First there has to be the 'active pursuit of a trade or business' and then it has to have a 'profit motive'. Under the active pursuit of a trade or business there are tests one has to meet that would not be met here.
The confusion here is that income does not always equal cash payment, ie, services performed can equal compensation. For example, if Bob did not receive cash, but instead the customer set up Bob's web page then bob has income equal to the fair market value of the services rendered to him.
Two non guides trading trips in the manner above is not an active trade or business,therefore not compensation. This is simply two people having some fun on the weekend.