The Protector, The Bestower of Security, The Guardian, The Safeguarder
The One who ensures well-being. The One who extends wings of Love to cover and protect creation.
The One who is ever watchful. The One who protects and guards.
The One who offers peace and security. The One who proclaims the Truth.
From the root h-y-m-n which has the following classical Arabic connotations:
This name is used in the Qur'ān. For example, see 59:23
According to E.W. Lane, the root of Muhaymin was originally ā-m-n, the same root as al-Mu'min (remover of fear).
(Also written as al-muhaymin, al-muhaimin, the protector: ya muhaymin, ya muhaimin)