How to use "keeper" in a sentence

A young keeper 4 heard them and came to help

But, he got lost, too! Finally, the old keeper came back from lunch

The lock-keeper I ran out, because he thought someone had fallen into the water

We went to the lock-keeper to ask for some

'Certainly,' said the old lock-keeper

'It's where it always is,' said the lock-keeper

'What! Where are your eyes?' the lock-keeper said

'No, but you can drink some of it,' said the lock-keeper

We left the lock-keeper's place and we found some water at another house.