This is the 7498th most frequent Korean word.
친구들을
"Friends" (plural, object form).
In this sentence, '친구들을' refers to 'friends' as the direct object of the verb 'to meet'. It indicates the people who were met.
휴일에 친구들을 만나 카페에서 시간을 보냈어요.
I met my friends during the holiday and spent time at a café.
Here, '친구들을' is the direct object of the verb 'to help', specifying the recipients of help and emphasizing the action upon them.
나는 친구들을 도와주기 위해 지원을 준비했어요.
I prepared assistance to help my friends.
In this case, '친구들을' is used in the context of 'for friends', indicating the beneficiaries of the effort or action taken.