1person of low social status (old)
2I, me (used to refer humbly to oneself)
3nasty person
4vile character
Examples
gēn跟xiǎo rén小人shuō说lǐ理，jiù就rú tóng如同duì对niú牛tán弹qín琴。
跟小人说理，就如同对牛弹琴。
Reasoning with a villain is pointless.
他是个卑鄙小人。
He is a despicable person.