healer / heeler [ˈhi:lɜr]
healer – n. – 1. a person who treats those who are ill or injured; 2. a thing which brings health, wholeness or assists in healing
heeler – n. – 1. one that follows closely; 2. a worker who puts heels on shoes; 3. a dog that herds other animals; 4. a local worker for a political boss