• sole arbitrator in the reference

निर्देश:    directive designation say rubric precept

में:    within by between afield among IN amidst into in

एकमात्र:    out-and-outer solitary sole singular unique only

एकमात्र मध्यस्थ:    sole arbitrator

मध्यस्थ:    advocate medium Goer arbiter settler moderator