School
a person who teaches someone
teacher
a person who builds houses
a builder
a person who cures people
doctor
a person who types letters, picks up phones, makes coffee
secretary
school caretaker
plumber
a person who helps a doctor
nurse
a person who writes articles for newspapers, magazines
journalist
a person who sweeps corridors, takes away rubbish, dusts desks
cleaning woman
a person who knows everything about electricity
electrician
a person who tries to develop a new medicine
scientist
a person who designs houses
architect
a person who runs school (British English)
headmaster
a person who takes care of a farm, domestic animals
farmer
a person who gives emergency medical care
paramedic
a person who writes a computer programs
programmer
the most important person at school in American English
principal
a person who repairs cars
mechanic
a person who is a doctor for animals
vet
a person who studies and practises law
lawyer