One Word Substitution

Eavesdropper is the correct term for someone who listens secretly to private conversations of others. Epicure is a person devoted to sensual enjoyment, Interpreter translates speech, and Linguist is an expert in languages.

 A numismatist is a coin collector.

 Government run by a few is called an oligarchy.

 The right to self-government or self-rule is autonomy.

 A pessimist is a person who always sees the dark side of a situation. A palmist is a palm-reader, and an astrologer is a person who studies stars. A fatalist accepts everything as part of destiny.

Imperialism refers to the policy or ideology of extending a country's rule over foreign nations or acquiring colonies to expand power and influence. Capitalism focuses on private ownership and profit, internationalism promotes cooperation between nations, and communism advocates for classless society and state ownership.

Fratricide specifically means the killing of one's brother. Patricide is father-killing, regicide is king-killing, and homicide is the general term for killing a human being regardless of relationship.

A philanthropist is someone who loves mankind and shows it through charitable actions or donations. An anthropologist studies humans and cultures, seismologist studies earthquakes, and optometrist examines eyes for vision problems.

 When we work constantly to achieve a goal, we persevere. This is known as perserverance.

A novice is a person who is new to or inexperienced in a field or situation. The term specifically refers to someone who has just begun learning a skill, joining a profession, or entering a particular context. The other options don't fit: a cannibal eats humans, a pilgrim travels to a holy site, and a recluse lives in isolation.

A hypocrite is someone who pretends to have virtues, moral beliefs, or qualities that they do not actually possess. The word describes a person who says one thing but does another, or who claims to hold certain principles while acting contrary to them. An egotist is selfish, a minion is a subordinate, and an altruist is unselfish.

 An assassin is someone who carries out killings which are politically motivated.

A mimic is someone who imitates the voice, gestures, mannerisms, or expressions of another person. The term specifically refers to copying sounds, behaviors, or appearances for entertainment or impersonation. An exile is banished, a fugitive flees, and a cynic is skeptical.

A brunette is a woman or person with dark hair, typically brown or black. The term specifically refers to hair color classification and is the standard descriptor for someone with darker-colored hair. A captor imprisons, a tinter adds color, and a coiffeuse is a hairdresser.

A blonde is a person, typically a woman, with light-colored or fair hair. The term specifically refers to yellow or golden hair color ranging from very light to darker golden shades. A debutante is new to society, an archer shoots bows, and a drover drives cattle.