What is the meaning of Colonizer?

One who colonizes:

  1. One who makes a group or place into a colony; one who establishes a colonial relationship.

    One who makes a group or place into a colony; one who establishes a colonial relationship.

    One who establishes a colony; one who joins a colony or is born and raised there.

    One who intrudes and takes over.

    A species that establishes itself in a new area.

    A white person.

    Source: wiktionary.org