A person who is new to a profession or activity → Novice
A person who has expert knowledge → Expert
A person who is skilled in many different fields → Versatile
A person who is extremely skilled in a particular field → Adept
A person who is appointed to settle a dispute → Arbitrator
A person who gives evidence in court → Witness
A person accused of a crime → Accused
A person who brings a legal case against another → Plaintiff
A person against whom a case is brought → Defendant
A person who represents a client in court → Advocate
A person who gives professional advice on law → Solicitor
A person who examines accounts → Auditor
A person who manages another person's property → Trustee
A person who inherits property → Heir
A person who receives property under a will → Legatee
A person who leaves property through a will → Testator
A person who dies without leaving a will → Intestate
A person who cannot repay debts → Insolvent
A person who lends money → Creditor
A person who owes money → Debtor
A person who loves wisdom → Philosopher
A person who loves mankind → Philanthropist
A person who hates mankind → Misanthrope
A person who hates women → Misogynist
A person who hates men → Misandrist
A person who hates marriage → Misogamist
A person who loves peace → Pacifist
A person who opposes war → Pacifist
A person who believes that pleasure is the highest good → Hedonist
A person who practises self-discipline and avoids luxury → Ascetic
A person who cannot be persuaded to change their opinion → Obstinate
A person who changes opinions frequently → Fickle
A person who pretends to have virtues that they do not possess → Hypocrite
A person who flatters powerful people for personal gain → Sycophant
A person who is excessively concerned with his or her own importance → Egotist
A person who loves his or her country → Patriot
A person who betrays his or her country → Traitor
A person who moves from one country to another → Migrant
A person who has fled from their country for safety → Refugee
A person forced to leave their home → Exile
A person who lives outside their native country → Expatriate
A person who travels from place to place → Itinerant
A person who travels on foot → Pedestrian
A person who travels for pleasure → Tourist
A person who travels to an unknown place to discover it → Explorer
A person who climbs mountains → Mountaineer
A person who studies the past through historical records → Historian
A person who studies ancient writings → Epigraphist
A person who studies coins and medals → Numismatist
A person who studies the origin and history of words → Etymologist
A person who studies the structure of the Earth → Geologist
A person who studies the human mind and behaviour → Psychologist
A person who studies human societies → Sociologist
A person who studies population statistics → Demographer
A person who studies the origin and development of languages → Linguist
A person who is always hopeful → Optimist
A person who always expects bad things → Pessimist
A person who is fond of luxury → Epicure
A person who is fond of pleasure → Hedonist
A person who avoids alcoholic drinks → Teetotaller
A person who cannot stop drinking alcohol → Alcoholic
A person who eats no meat → Vegetarian
A person who eats human flesh → Cannibal
A person who eats only plant-based food → Vegan
A person who sleeps excessively → Somnolent
A person who cannot sleep → Insomniac
A person who is awake throughout the night → Noctambulist
A person who loves and collects works of art → Connoisseur
A person who writes dictionaries → Lexicographer
A person who writes books → Author
A person who writes under a false name → Pseudonymist
A person who writes for newspapers → Journalist
A person who edits a newspaper or publication → Editor
A person who makes maps → Cartographer
A person who studies handwriting → Graphologist
A person who spends very little money → Miser
A person who saves money excessively → Scrooge
A person who deliberately destroys public property → Vandal
A person who secretly listens to other people's conversations → Eavesdropper
A person who is present at an event → Attendee
A person who watches an event → Spectator
A person who takes part in an activity → Participant
A person who receives something → Recipient
A person who sends something → Sender
A person who gives money to support a cause → Donor
A person who receives money from a will → Legatee
A person appointed to act for another → Proxy
A person who cannot make mistakes → Infallible
A person who cannot be defeated → Invincible
A person who cannot be bribed → Incorruptible
A person who cannot be persuaded → Inflexible
A person who cannot be persuaded to change → Obstinate
One who doubts everything → Sceptic
One who knows everything → Omniscient
A person who is difficult to please → Fastidious
A person who is easily deceived → Gullible
A person who cannot be corrected → Incorrigible
A person who is excessively concerned with minor details → Pedant
A person who flatters others for personal gain → Sycophant
A person who comes to a country to settle there → Immigrant
A person who leaves his country to settle elsewhere → Emigrant
A person who travels from place to place without a fixed home → Nomad
A person who loves his country → Patriot
A person who betrays his country → Traitor
One who is unable to pay debts → Insolvent
One who spends money recklessly → Spendthrift
One who speaks many languages → Polyglot
One who loves books → Bibliophile
One who collects stamps → Philatelist
One who collects coins → Numismatist
One who talks excessively → Garrulous
One who speaks very little → Taciturn
One who eats excessively → Glutton
One who walks in sleep → Somnambulist
One who cannot read or write → Illiterate
One who represents others → Spokesperson
One who can use both hands equally well → Ambidextrous