If your request refers to a location rather than a person, is the "Land of Fate" in the Al-Qadim setting.
It is an Arabian Nights-themed peninsula on the continent of Faerûn (Forgotten Realms).
They were once a thriving kingdom beneath the Khalkist Mountains but were nearly wiped out by a devastating mold plague . Other dwarven races abandoned them during the epidemic, leading to their extreme xenophobia.
For players looking for a pre-written backstory, is a documented fighter concept used in community campaigns.
An exiled Viking Prince whose family was overthrown by a rival realm (Nomar). He grew up as a refugee and became a famous gladiator in the "City-State of the Invincible Overlord".