Colonizer (noun)

1. A person who establishes or helps to establish a colony.
2. A person or group who takes control of a territory and governs it as a colony.

Origin:

17th century: from french colonisateur, from coloniser "to colonize".

Examples:

1. The colonizers brought disease and enslavement to the native populations they encountered.
2. The colonizers established a regime characterized by exploitation and oppression.
3. Many colonizers saw themselves as bringing civilization to the territories they claimed.
4. The anti-colonial movement sought to resist and defeat the colonizers and gain independence.
5. The colonizers imposed their language, religion, and culture on the colonized territory and its people.