[1] Born in Brunei on 16 May 2003,[citation needed] Hosea completed his primary and secondary education in Chung Hwa Middle School, Bandar Seri Begawan before he undertook Laksamana College of Business (LCB)'s University Foundation Course.

[5] Hosea was part of the first group from Brunei to travel to the 19th Sukma Games 2018, which took place from 12 to 22 September in Perak.

[8][9][10] In the men's taijiquan event, he received 9.48 points in the 31st SEA Games, placing him considerably outside the podium.

[11] After taking silver in the men's combined taijijian and taijiquan event at the Bill Battle Coliseum in Birmingham on 14 July 2022, he contributed to the nation's historic achievement at the World Games 2022.

[12] Hosea won the men's taijiquan + taijijian event at the Chroy Changvar Convention Center, earning Brunei's second gold medal at the 2023 SEA Games.