This is the 19167th most frequent Korean word.
악플러들을
"악플러들을" means "haters or malicious commenters."
The word '악플러들을' is the plural accusative form of '악플러', referring to multiple malicious commenters or trolls in the object position.
악플러들을 응원하고 싶지는 않아요.
I do not wish to support malicious commenters.
'악플러들을' here is used as the object of the verb '처벌하다', suggesting that it's them who need to face consequences.
악플러들을 처벌해야 한다고 생각합니다.
I believe that malicious commenters should be punished.
This usage of '악플러들을' indicates the recipients of forgiveness in the context of ethical discussion.