Inclusion Criteria:  Liver transplant (LT) candidates are:  Adult ESLD patients (age=19-74 years) who are assigned to the LT waitlist English-speaking No contraindication to moderate intensity physical activities Physician clearance for participation in moderate intensity physical activities No history of dementia or organic brain syndrome  Caregivers:  Adult (age≥ 19 years) English-speaking Provide direct care to LT candidates  Exclusion Criteria:  Inability to communicate verbally in English Documentation of cognitive deficits