en_tn/1co/07/36.md

not treating his virgin with respect

"not being kind to his virgin" or "not honoring his virgin"

his virgin

Possible meanings are 1) "the woman whom he promised to marry" or "his fiancée" or 2) "his virgin daughter."

They should marry

Possible meanings are 1) "He should marry his fiancée" or 2) "He should let his daughter get married."