[1] He is a member and the Division Chief of Jerlun of the United Malays National Organisation (UMNO), a component party of the Barisan Nasional (BN) coalition.

He continued his secondary education in Kolej Sultan Abdul Hamid and later went to University Technology of MARA to study a Diploma in Business Administration.

[5] He was a casualty of the Barisan Nasional state government's defeat in the 2008 election, as he lost his seat by 506 votes to his predecessor, Abdul Ghani.

Othman defeated Malaysian Islamic Party (PAS)'s Ismail Salleh by 3,270 votes, winning election to the federal parliament.

[4] In the 2018 election, Othman lost to Mukhriz Mahathir, who was back contesting but under the Malaysian United Indigenous Party (PPBM) ticket, in a three-corner fight with Abdul Ghani Ahmad of PAS for the Jerlun parliamentary seat.