Which is the appropriate word among the following for the given sentence.
A person who is always dissatisfied.

Malcontent

The appropriate word among the following for the given sentence is malcontent.

• Malcontent means a person who is always dissatisfied or discontented.
• Menagerie is a collection of wild animals kept for exhibition.
• Mutiny is an open rebellion against authority.
• Oar is a long, narrow piece of wood used to propel a boat through water.