#keeper  someone in charge of other people; "am I my brother's keeper?"
  supertype:  guardian__defender__protector__shielder  a person who cares for persons or property
  subtype:  baby_farmer  someone who runs an establishment that houses and cares for babies for a fee
  subtype:  babyminder__minder  a woman who looks after babies in her own home while their parents are working
  subtype:  babysitter__baby-sitter__sitter  a person engaged to care for children when the parents are not home
  subtype:  prison_guard__jailer__jailor__gaoler__screw__turnkey  someone who guards prisoners
  subtype:  nanny__nursemaid__nurse  a woman who is the custodian of children
     subtype:  dry_nurse__drynurse  a nurse who cares for but does not suckle an infant
     subtype:  mammy  an offensive term for a Black nursemaid in the southern U.S.
     subtype:  wet_nurse__wetnurse__amah  a woman hired to suckle a child of someone else

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