This is the 15407th most frequent Russian word.
правочеловеческих
"Правочеловеческих" relates to "human rights."
The word правочеловеческим is used as an adjective to describe 'вопросам' (issues), meaning related to human rights.
Семинар посвящен правочеловеческим вопросам.
The seminar is dedicated to human rights issues.
The word правочеловеческих functions as an adjective to modify 'проблемах' (problems), indicating a connection to human rights topics.
Мы приняли участие в дискуссии о правочеловеческих проблемах.
We participated in a discussion about human rights problems.
Here, правочеловеческой modifies 'сфере' (field), signifying its relevance to the domain of human rights.