Common Noun:
* When referring to any group of people who live on an island, "islanders" is a common noun.
* Example: "The islanders were friendly and welcoming."
Proper Noun:
* When referring to a specific group of islanders with a recognized name, "Islanders" becomes a proper noun. It usually refers to a sports team or a cultural group with a distinct identity.
* Example: "The New York Islanders won the Stanley Cup in 1980 and 1982."
To determine if "Islanders" is a common or proper noun, consider the context.
If you're talking about a specific group of people with a name, it's a proper noun. If you're talking about any group of people who live on an island, it's a common noun.