noun
occupier; occupying forces
Refers to a person, group, or military force that occupies a territory. Often used in political or historical contexts.
占領者は住民に厳しい規則を課した。
The occupiers imposed strict rules on the residents.
歴史の授業で、占領者に対する抵抗運動について学んだ
In history class, we learned about the resistance movement against the occupying forces.
侵略者 means 'invader' and emphasizes aggressive entry, whereas 占領者 focuses on the subsequent control and presence in the occupied area.
Compound of 占領 (occupation) + 者 (person). The word follows a common pattern for agent nouns.