"I want to help people" 这句话的正确说法是 "I want to assist people"。 "Assist" 是动词，意思是 "to give help or support to (someone)"。这个词的来源是拉丁语 "assistere"，意思是 "to stand by, to attend, to be present"。

例句：

I want to assist the homeless in my community.
She wants to assist children in need.
He wants to assist people affected by the natural disaster.

翻译：

我想帮助社区里的无家可归者。
她想帮助有需要的儿童。
他想帮助受自然灾害影响的人。