This is the 826th most frequent Ukrainian word.
окупованому
"Окупованому" means "occupied" in English.
In this sentence, 'окупованому' is used as an adjective to describe the territory that is under occupation.
Вони живуть на окупованому території.
They live in the occupied territory.
Here, 'окупованому' modifies 'місті' (city), indicating that the city is under occupation.
Допомога потрібна жителям в окупованому місті.
Help is needed for residents in the occupied city.
In this case, 'окупованому' is used in a descriptive phrase indicating the state of being occupied.