"Military Colonist" is a term that has gone out of fashion in this brave new world of "No Human Being is Illegal" and "Every Refugee Deserves to be Resettled."
The university history professor with an office full of fake Indian jewelery and a view of the parking lot will lecture on the military colonies of the Roman period, always careful to emphasize their eventual fate. And he may even get up to the 16th century. But he'll stay away from the present.