1
[ noun ] someone who takes the place of another person

Related terms

stand-in supplant understudy

2
[ adjective ] providing or receiving nurture or parental care though not related by blood or legal ties

Synonyms

foster

Examples

"foster parent" "foster child" "foster home" "surrogate father"

Related terms

adoptive

3
[ noun ] a person appointed to represent or act on behalf of others

Synonyms

deputy

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