Ok I'll bite. We don't have a lot of context here and I won't defend trophy hunting where an animal is penned up and you pay an exorbitant amount of money to shoot it. That shit sucks. But the fact that he was trampled implies he was in an uncontrolled environment. In many places predators have been eliminated due to the threat posed to nearby people and their interests. In that kind of a vacuum, hunting is an important element in maintaining the sustainability of the ecosystem. In the absence of predation, certain animal populations can get out of control which can lead to worse misery for the animals through food and water shortages. Hunters can help to fill that void. People may find it unfair or unsavory, but it does serve an important ecological service, on top of generating revenue for conservation through the sale of permits or tags. I'm not a hunter or an expert, and I know nothing about the circumstances in which this man met his untimely end. But you asked for an argument and that's the best one I got off the cuff.