person

She is a very kind person who always volunteers to help those in need in the community.

(Chinese) 她是一个非常善良的人，总是自愿帮助社区里那些有需要的人。

Only one person at a time is allowed to enter the high-security bank vault.

(Chinese) 每次只允许一个人进入高度安全的银行金库。

In English grammar, the pronoun 'I' is first person, and 'he' is third person singular.

(Chinese) 在英语语法中，代词 'I' 是第一人称，'he' 是第三人称单数。

When writing a formal report, it is often better to avoid using the second person.

(Chinese) 在撰写正式报告时，通常最好避免使用第二人称。