A griller is someone who cooks food on a grill, typically outdoors. Other synonyms for this term include barbecue chef, grill master, or flame chef. Some other options might include cookout host, outdoor cooking expert, or grill aficionado. When describing someone's skill level, you could use terms like seasoned griller, adept at outdoor cooking, or skilled barbecue enthusiast. No matter what term you choose to describe a griller, one thing is certain - these individuals know their way around a grill, and they can whip up a delicious meal that will satisfy even the pickiest eaters.