This is the 4742nd most frequent Korean word.
경찰을
"경찰을" means "the police" (object form).
In this sentence, '경찰을' is the object of the verb '부르세요,' referring to the action of calling police assistance.
경찰을 부르세요.
Call the police.
Here, '경찰을' acts as the object of the verb '만나러,' indicating the purpose for going, which is to meet the police.
나는 경찰을 만나러 갔어요.
I went to meet the police.
In this context, '경찰을' serves as the object of the verb '믿습니다,' indicating the entity being trusted.