Stoic (noun / adjective) — شخص صبور: A person who endures hardship without complaint. Below are 7 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
uncomplainingphilosophicalresignedlong-sufferingunemotional
expressionless; emotionless; impassive; blank; stoic; poker-faced; unemotional; straight-faced