types:
chaperon,
chaperone
one who accompanies and supervises a young woman or gatherings of young people
foster parent,
foster-parent
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
guard
a person who keeps watch over something or someone
keeper
someone in charge of other people
patron saint
a saint who is considered to be a defender of some group or nation
tribune
(ancient Rome) an official elected by the plebeians to protect their interests
watchdog
a guardian or defender against theft or illegal practices or waste
baby farmer
someone who runs an establishment that houses and cares for babies for a fee
baby minder,
babyminder,
minder
a person who looks after babies (usually in the person's own home) while the babys' parents are working
bouncer,
chucker-out
a person whose duty is to throw troublemakers out of a bar or public meeting
caretaker
a custodian who is hired to take care of something (property or a person)
constable
a lawman with less authority and jurisdiction than a sheriff
den mother
a woman who supervises a den of Cub Scouts
greenskeeper
someone responsible for the maintenance of a golf course
halberdier
a guard who carries a halberd (as a symbol of his duty)
housemother
a woman employed as a chaperon in a residence for young people
house sitter
a custodian who lives in and cares for a house while the regular occupant is away (usually without an exchange of money)
janitor
someone employed to clean and maintain a building
marshal,
marshall
a law officer having duties similar to those of a sheriff in carrying out the judgments of a court of law
outrider
an escort who rides ahead (as a member of the vanguard)
screener
a guard at an airport who checks passengers or their luggage at a security checkpoint
sheriff
the principal law-enforcement officer in a county
Ranger,
Texas Ranger
a member of the Texas state highway patrol; formerly a mounted lawman who maintained order on the frontier
warden
the chief official in charge of a prison
warder
a person who works in a prison and is in charge of prisoners
zoo keeper
the chief person responsible for a zoological garden