adventurer in turbulent times; soldier of fortune; one who seizes the moment
Refers to a bold, often heroic figure who emerges during periods of upheaval or change, taking advantage of the chaos to achieve greatness. Carries a romantic, dramatic tone.
He left his name in history as a daring adventurer of the Warring States period.
政界の風雲児と呼ばれたその男は、混乱に乗じて一気に頂点へ駆け上がった。
The man, called a political soldier of fortune, rode the chaos straight to the top.