A trainer or instructor is a professional who teaches skills or knowledge to individuals or groups. They often work in various settings, such as schools, corporate environments, or fitness centers. Trainers create lesson plans, deliver presentations, and assess the progress of their students to ensure effective learning. Trainers can specialize in different areas, including sports, business, or personal development. They may use various teaching methods, such as hands-on activities, lectures, or online courses, to engage learners. Their goal is to help participants acquire new skills, improve performance, and achieve their personal or professional objectives.