Meaning of yǒu rén:
有人
someone; anyone; there is someone there
Jīntiān wǎnshàng yǒurén lái wǒ jiā chīfàn.
今天晚上有人来我家吃饭。
Someone is coming to my house for dinner tonight.
Yǒu rén qiāo mén, qǐng qù kàn kàn shì shéi.
有人敲门,请去看看是谁。
Someone is knocking on the door, please go see who it is.
Yǒu rén zài qiāo mén.
有人在敲门。
There is someone knocking at the door.
people; occupied (as in restroom)
Jīntiān gōngyuán lǐ hǎoxiàng méiyǒu shénme rén.
今天公园里好像没有什么人。
It seems there aren't many people in the park today.
Cèsuǒ lǐ yǒurén, qǐng nín shāo děng.
厕所里有人,请您稍等。
The restroom is occupied, please wait a moment.