A fitness trainer is responsible for one-on-one training sessions, and personal training programs for clients of all fitness levels. Their job duties may include assessing clients' fitness goals and creating customized workout plans. Conducting fitness assessments and progress tracking, providing motivation and support, and educating clients on proper exercise techniques and safety guidelines. They must also be knowledgeable about various exercise modalities, and be able to adapt their teaching style to meet the needs of diverse clients. Educate clients on nutrition principles, creating personalized meal plans that align with fitness goals. Additionally, they may be responsible for marketing and promoting their services, managing schedules, and maintaining accurate records of client.