doctors
The word is nurse. A nurse is a person who is trained to take care of sick people.
a person who is receiving medical care is "patient" the "sick" is people who are ill
A person who looks after sick people is typically called a caregiver or a nurse. Caregivers may provide personal care and support in various settings, including homes and assisted living facilities, while nurses are trained healthcare professionals who offer medical care and treatment in hospitals and clinics. In broader terms, they can also be referred to as healthcare providers.
A person who helps sick people is typically called a healthcare professional. This includes a range of roles such as doctors, nurses, and therapists, all of whom provide care and support to patients. More broadly, the term "caregiver" can also refer to individuals who assist those who are ill or in need of help.
Because the person has been sick, he probably hasn't been able to take good care of his body and looks.
a patient
Do you mean when you call on the phone? Of course not; that makes no sense at all.
Caregiving means showing real care towards other people who may be or not in need.
Medically speaking, a sick person is called a "patient" if they are under the care of a medical professional.
is the care given to a sick person/patients in their natural environment
Taking care of sick people is optional. Unless you're the parent / legal guardian of an underage child.