noun. One who invades; an assailant; an encroacher; an intruder.

noun. One who invades; an assailant; an encroacher; an intruder.

noun. One who invades; an assailant; an encroacher; an intruder.

noun. someone who enters by force in order to conquer

"According to this logic, the occupied people must be held to a much higher standard of behavior than the invader should be – at least when the invader is the United States."

space invader  

interloper  intruder  trespasser  

Nader  Nadir  Seder  blockader  crusader  

adventurer  ally  assailant  barbarian  cavalry  

assailant  encroacher  intruder