A person who remains unmoved by pain or pleasure

• A. Hedonist
• B. Cynic
• C. Stoic (Answer)
• D. Ascetic

Stoic is a person who endures pain or hardship without showing feelings.

A place where birds are kept

• A. Apiary
• B. Aquarium
• C. Aviary (Answer)
• D. Kennel

Aviary is a large cage or enclosure for keeping birds.

The killing of a mother

• A. Patricide
• B. Infanticide
• C. Matricide (Answer)
• D. Regicide

Matricide is the killing of one's own mother.

A person who never takes a strong position

• A. Neutral
• B. Agnostic
• C. Fence-sitter (Answer)
• D. Pacifist

Fence-sitter is a person who avoids making a decision or commitment.

Fear of open spaces

• A. Claustrophobia
• B. Acrophobia
• C. Agoraphobia (Answer)
• D. Xenophobia

Agoraphobia is extreme or irrational fear of open or public places.

A person who writes a dictionary

• A. Editor
• B. Compiler
• C. Lexicographer (Answer)
• D. Grammarian

Lexicographer is a person who compiles dictionaries.

Government by priests

• A. Autocracy
• B. Democracy
• C. Theocracy (Answer)
• D. Oligarchy

Theocracy is a system of government in which priests rule in the name of God.

A person who denies private property

• A. Socialist
• B. Communist (Answer)
• C. Anarchist
• D. Capitalist

Communist is a person who supports communism — a system in which property is owned publicly.

One who knows many subjects

• A. Specialist
• B. Expert
• C. Polymath (Answer)
• D. Scholar

Polymath is a person of wide knowledge or learning across many subjects.

A person who is all-present

• A. Omnipotent
• B. Omniscient
• C. Omnipresent (Answer)
• D. Invincible

Omnipresent means present everywhere at the same time.