Beavers rarely inflict damage on people.

There is no need to be frightened. He won't harm you.

Carbon dioxide sometimes harms people.

Don't worry about my dog. He won't do you any harm.

The dog defended his master from harm.

You should not inflict any injury on others on any account.

It will do him no harm.

It will do harm to us.

There's no need to be frightened of the dog; he is quite harmless.

He won't do you any harm.