The narrator comes from a marginalized background as 'the son of a concubine' and left to escape the oppressive societal laws, seeking freedom and a place free from societal restrictions.
In the context provided, the narrator is from a background where he is identified as 'the son of a concubine,' indicating a social position that has made him feel demeaned or rejected by society.
He left because he wished to escape the oppressive laws and regulations imposed by men on him, seeking solitude and a place where he could assert his freedom away from societal constraints.
Special consideration should be given to the phrases indicating his motivations, such as 'thought to get away from man entirely' and 'absence of men and obnoxious laws.'