Teaching in the field of online education for middle-aged and elderly people; Educational services, namely, providing training and courses of instruction for middle-aged and elderly people in the fields of elderly care issues; Vocational retraining services in the field of self-advocacy, self-management for middle-aged and elderly people; Sports training services in the field of yoga, Tai-Chi; Providing education courses in the field of health preservation for middle-aged and elderly people o...