A kind or good-natured person; someone pleasant, reliable, or considerate.
田中さんはいつも親切にしてくれるいい人だ。
Mr. Tanaka is a good person who is always kind to others.
彼女は裏表がなく、本当にいい人だと思う。
She is sincere and I really think she's a good person.
あの店員さんは対応が丁寧でいい人だった。
That clerk was polite and a nice person.
A casual way to refer to one's romantic partner (boyfriend/girlfriend); can mean 'someone you're seeing'.
母に早くいい人を見つけなさいと言われた。
My mother told me to find a boyfriend/girlfriend soon.
彼女はいい人と付き合い始めたと聞いた。
I heard she started dating someone.
最近、友達にいい人ができてすごく幸せそうだ。
Lately my friend has a partner and looks very happy.