a person of authority who subjects others to undue pressures
optician
Noun
a worker who makes glasses for remedying defects of vision
optimist
Noun
a person disposed to take a favorable view of things
optometrist
Noun
a person skilled in testing for defects of vision in order to prescribe corrective glasses
orator
Noun
a person who delivers a speech or oration
orchestrator
Noun
an arranger who writes for orchestras
ordainer
Noun
a cleric who ordains
orderer
Noun
an organizer who puts things in order
orderer
Noun
someone who places an order to buy
oarsman
Noun
someone who rows a boat
oarswoman
Noun
a woman oarsman
obliger
Noun
someone who performs a service or does a favor
oboist
Noun
a musician who plays the oboe
orderly sergeant
Noun
the first sergeant of a company
obscurantist
Noun
a person who is deliberately vague
ordinand
Noun
a person being ordained
obstetrician
Noun
a physician specializing in obstetrics
organ donor
Noun
someone from whom an organ is taken for transplantation
organ-grinder
Noun
a street musician who plays a hand organ or hurdy-gurdy
occupier
Noun
a member of a military force who is residing in a conquered foreign country
occupier
Noun
someone who lives at a particular place for a prolonged period or who was born there
organist
Noun
a person who plays an organ
oceanographer
Noun
a scientist who studies physical and biological aspects of the seas
organization man
Noun
an employee who sacrifices his own individuality for the good of an organization
occultist
Noun
a believer in occultism
odalisque
Noun
a woman slave in a harem
orientalist
Noun
a specialist in oriental subjects
odds-maker
Noun
someone who sets the betting odds based on calculations of the outcome of a contest (especially a horse race)
originator
Noun
someone who creates new things
odist
Noun
a poet who writes odes
ornithologist
Noun
a zoologist who studies birds
offerer
Noun
someone who presents something to another for acceptance or rejection
orthodontist
Noun
a dentist specializing in the prevention or correction of irregularities of the teeth
offeror
Noun
someone who presents something to another for acceptance or rejection
office-bearer
Noun
the person who holds an office
orthoepist
Noun
a practitioner of orthoepy (especially one of the 17th or 18th century scholars who proposed to reform English spelling so it would reflect pronunciation more closely)
office boy
Noun
a young man who is employed to do odd jobs in a business office
orthopedist
Noun
a specialist in correcting deformities of the skeletal system (especially in children)
orthopaedist
Noun
a specialist in correcting deformities of the skeletal system (especially in children)
orthoptist
Noun
a specialist in orthoptics
officiant
Noun
a clergyman who officiates at a religious ceremony or service
osteologist
Noun
an anatomist who is skilled is osteology
osteologer
Noun
an anatomist who is skilled is osteology
osteopath
Noun
a therapist who manipulates the skeleton and muscles
osteopathist
Noun
a therapist who manipulates the skeleton and muscles
out-and-outer
Noun
someone who is excellent at something
ogler
Noun
a viewer who gives a flirtatious or lewd look at another person