This is the 14697th most frequent Korean word.
민원인으로부터
"From a civil petitioner" or "from a complainant."
In this sentence, '민원인으로부터' indicates the source or origin of the inquiry received (from the complainant).
민원인으로부터 문의를 받았습니다.
I received an inquiry from a complainant.
Here, '민원인으로부터' specifies the source of the information being reviewed, emphasizing that it was provided by the complainant.
민원인으로부터 제공된 정보를 검토하고 있습니다.
I am reviewing the information provided by the complainant.
In this usage, '민원인으로부터' refers to the source or origin of the complaint raised, highlighting that it was initiated by a complainant.