有人 (yǒurén): someone

Meanings

有人找你。

Yǒurén zhǎo nǐ.

Someone is looking for you.

有人在外面等你。

Yǒurén zài wàimiàn děng nǐ.

Someone is waiting for you outside.

有人说中文很难。

Yǒurén shuō Zhōngwén hěn nán.

Some people say Chinese is hard.

grammar

有人 is used as an indefinite pronoun meaning 'someone/somebody'. It can also mean 'some people' when making general statements.

有 yǒu

人 rén