nurse

a woman who is the custodian of children

one skilled in caring for young children or the sick (usually under the supervision of a physician)

try to cure by special care of treatment, of an illness or injury

He nursed his cold with Chinese herbs

give suck to

The wetnurse suckled the infant

You cannot nurse your baby in public in some places

maintain (a theory, thoughts, or feelings)

bear a grudge

entertain interesting notions

treat carefully

He nursed his injured back by lying in bed several hours every afternoon

He nursed the flowers in his garden and fertilized them regularly

serve as a nurse; care for sick or handicapped people