Al – Muqsit
The Most Equitable, The Just, The Equitable one
The One who is most equitable and just. The One whose ways are balanced and just.
The One who establishes justice. The One who creates harmony and balance.
The One who does away with injustice. The One who leads mankind to justice and harmony.
From the root q-s-t which has the following classical Arabic connotations:
to act justly, equitably
to do away with injustice
to establish an equitable balance
The name Muqsit is not specifically used as a Beautiful Name in the Qur’ân. and only mentioned a time at surah Al-Anbiya verse 47.
Abû Hâmid al-Ghazâlî wrote:
… those who have the greatest share in this name are those who insist first of all on justice from themselves for others, … but forebear demanding it from another for themselves.
source: http://wahiduddin.net/words/99_pages/muqsit_86.htm with changes