"Super instep, inequality between to contractors." is "슈퍼갑"(syu-pŏ-gap) in Korean.
In any contract ‘A’ and ‘B’ should be originally equal always, while this word 슈퍼갑(Super gab) is saying inequality between the two contractors. Only one contractor is having higher position like he is the full owner. For example, in the No.1 companies is the "super Gab", hitting the small and medium-sized enterprises of orders side.