What is the radical of this kanji?

He does the job of clearing out mud from a ditch every week.

In this town, the clearing out of mud from a ditch is carried out every spring.

When I first met her, I introduced myself saying, 'I am Japanese.'

We prioritize customer satisfaction above all else.

We will do our best to solve this problem.

We respect Japanese culture.

We are going on a trip tomorrow.

My personal thought is that everyone should be treated equally.

He values his private life.