Arbab Ghulam Rahim was born in the Diplo Tehsil of Tharparkar District in the Sindh province of Pakistan. Arbab Ghulam Rahim is the youngest of 5 sıblıngs. He was born in a very conservative environment and received his early education ın his village. Then up to 7 grade he studied ın Mirpurkhas, from 8th class he joined the Cadet College Petaro, one of the few reputed ınstıtutıons of the province at that time. After passing out as a House Captain from Cadet College Petaro, he joined Liaquat University of Medical and Health Sciences at Jamshoro to study medicine, but later transferred to Jinnah Sindh Medical University, Karachı. After passing out from Sindh Medıcal College with a MBBS degree, Arbab contested in the local government election and was elected as Nazim ın the Mirpur Khas District.[2]
In 2008, he was hit in the head with a shoe thrown by Agha Javed Pathan a supporter of Benazir Bhutto.[15] Arbab rarely goes to the Provincial Assembly, because he accuses the ruling party of trying to disgrace him in the assembly.[16]