• guide; plane used for training pilots
• a trainer is a person who trains people or animals in a particular skill or for a particular purpose.
• trainers are special shoes that are worn for running.
• airplane used for the professional training of a pilot
• kind of athletic footwear intended for cross-training that involves running and lifting weights and other type of sports
• expert at domesticating dogs
• person fitness coach, one who helps an individual in an exercise program
police dog trainer
• one who trains and teaches police dogs