foster parent

English Thesaurus

1. a person who acts as parent and guardian for a child in place of the child's natural parents but without legally adopting the child (noun.person)

hypernym	:	defender, guardian, protector, shielder,
definition	:	a person who cares for persons or property (noun.person)

hyponym	:	foster father, foster-father,
definition	:	a man who is a foster parent (noun.person)

hyponym	:	foster mother, foster-mother,
definition	:	a woman who is a foster parent and raises another's child (noun.person)