Treats

The essay treats of the progress of cancer research.

In my understanding, Robinson treats this element as secondary.

I do not like the way he treats others.

Although I am her elder, she treats me as if I were her servant.

My aunt treats me as if I were a child.

It's a crime the way he treats his children.

He always treats me like a child.

That is how he always treats me.

He treats me as if I am a stranger.

He treats me as a child.