Select the option that can be used as a one-word substitute for the given group of words.

A person who introduces the performers or contestants in a variety show

Compere

The word that can substitute the given group of words is compere.

• Calligrapher is a person who writes in a beautiful and elegant way.
• Compeer is a person who is equal to another in terms of ability, status, or rank.
• Compere is a person who introduces the performers or contestants in a variety show.
• Cypher is a person who is skilled in cryptography.

Compere is the most appropriate word for the given group of words because it specifically refers to a person who introduces the performers or contestants in a variety show. It is derived from the French word compère, meaning "mate" or "companion."