x1 has/is property x2 (ka) even amongst/according to/by the standards of/even more than those who are renowned for having/being that same property.
Implies a superiority/traji in x2 even compared to those who are some of the best/most extreme in that property. Examples: "A strong man among (id est: by the standards of) strong men", "seer of seers, prognosticator of prognosticators", "best of the best", etc.