doctor: a person with a medical degree whose job is to treat people who are ill or hurt.
Noun The doctor prescribed some medication.
mayor: a person who is elected or chosen to lead the group who governs a town or city
Noun My dad is a Mayor.
garbage collector: a person or company whose job is removing and getting rid of
Noun Your garbage collector may not accept a used computer as trash.
painter: someone who paints pictures.
Noun J.M.W. Turner is one of Britain's best-known landscape painters.
dentist: a person whose job is treating people's teeth.
Noun I couldn't see my regular dentist.
layer: someone whose job is to give advice to people about the law and speak for them in court.
Noun I want to see my lawyer before I say anything.
teacher: someone whose job is to teach in a school or college.
Noun The teacher drew a diagram showing how the blood flows through the heart.
repairman: someone whose job is to make things that are broken work correctly.
Noun I need a TV repairman.
electrician: a person who puts in, checks, and repairs electrical wires and electrical equipment.
Noun The electrician has diagnosed a fault in the wiring.
mechanic: someone whose job is repairing the engines of vehicles and other machines.
Noun a car/garage/bike mechanic
optician: someone whose job is examining people's eyes and selling glasses or contact lenses to correct sight problems.
Noun Her youngest daughter is an optician.
chef: a skilled and trained cook who works in a hotel or restaurant, especially the most important cook
Noun He is one of the top chefs in Britain.
plumber: a person whose job is to supply and connect or repair water pipes, baths, toilets, etc..
Noun We'll have to get a plumber in to look at that water tank.
farmer: someone who owns or takes care of a farm.
Noun The farmer called the vet out to treat a sick cow.
emergency medical technician: a person who is trained to do medical work in an emergency, but who is not a doctor or nurse.
Noun Volunteer teams of doctors, nurses and emergency medical technicians are moving into the area following the storms.
mail carrier: a postman mainly UK 2. someone whose job is to deliver and collect letters.
Noun today he brought the mail carrier.
veterinarian: a person trained in the medical treatment of animals.
Noun He is the chief veterinarian for the zoo and deals with all kinds and sizes of animals.
crossing guard: a person whose job is to help people (such as schoolchildren) go across busy streets safely.
Noun The crossing guard helps us get across the street.
lifeguard: a person on a beach or at a swimming pool whose job is to make certain that the swimmers are safe and save them if they are in danger.
Noun I am a lifeguard.
cashier: a person whose job is to receive and pay out money in a shop, bank, restaurant, etc.
Noun Among the auditor's concerns about the company were errors by the cashier's office.