Volunteers serve a unique purpose in client-centered hospice care. They offer companionship, socialization and support without compensation. Volunteers are at least 18 years of age and have completed necessary background and reference checks. They are trained and possess a clear understanding of their role as volunteer and have a complete understanding of the hospice philosophy. Volunteers. will donate their time and talents to support the Interdisciplinary Plan of Care.Most often volunteers provide companionship and socialization for the patient, but are at times able to provide brief respite for the caregiver in the home, as well as bereavement support for family members. Volunteer support varies according to patient and family needs.