minder

Noun

• a person who looks after babies (usually in the person's own home) while the babys' parents are working

• someone (usually in totalitarian countries) who is assigned to watch over foreign visitors
  • I turned around and there, a few hundred feet away, was our government minder, Li Wong Su, huffing and puffing toward us
    

Related words

• Synonyms: 
  babyminder , baby minder