What was the person called that took care of horses and stables?

The person who takes care of horses and stables is called a groom.

Here are some other terms you might hear:

* Stablehand: This term is often used interchangeably with "groom" but can also refer to someone who performs general tasks in the stable, like mucking out stalls.

* Farrier: This is a specialist who shoes horses.

* Trainer: This is someone who trains horses for specific purposes, like racing or riding.

The specific job title may vary depending on the size and type of operation, but "groom" is the most common term for someone who takes care of horses and stables.