资本家是指拥有或控制资本（通常是货币、股票、或其他投资工具）并使用这些资本来获得收益的人。在英语中，资本家可以翻译为"capitapst"或"businessperson". 例如：
The capitapst system is based on the idea of private ownership of the means of production.
She's a successful businessperson who has built a successful company from the ground up.
希望这能帮到你!