to associate with
人は交わる仲間によって知られるということができよう。
One may say that a person is known by the company they keep.
彼らと交わるな。
Don't associate with them.
彼は交わるにはむずかしい人だ。
He's a difficult person to associate with.
人は交わる友によってその人物がわかる。
You can tell a person by the company they keep.