Horse Show Judge
Want to be a judge? Read some books about judging and go to some horse shows and watch the judges. You can download the AHSA rule book to read about horse show rules and regulations. AHSA is the American Horse Show Association. Judges spend the whole day at a horse show, if you want to become a judge you will have to be willing to spend the whole day judging horses and riders in miserable, cold weather or in very hot weather. 

You can be a judge for in hand classes, where you judge the horse’s movement. The rider would be leading the horse. You can also judge hunter/jumper. You would be judging a horse jumping. Hunter is mostly judged on how nice the rider and horse looks. The rider should be gracefully jumping the horse. Jumping is mostly judged on speed. You’d be wanting to see speed. The less rails the rider knocks down, the better. You can also judge Open Beginner. Open Beginner is for kids, teenagers & adults who are starting riding. There is Beginner for kids and teenagers. There is also Beginner for adults. Beginner is mostly like 10 and under walk trot. That is for kids under 10. You would be judging them trot, walk and individually cantering. 

Farrier
Interested in tacking on a horse shoe? Well, you'll also be trimming a horse's feet. If you want to be a farrier you don't have to be a man.  Ladies can be farriers too. If you want to be a farrier you have to be able to deal with horses that don't behave very well. Also, you will have to be able and ready to work long hours and you will have to do good work. 

A farrier has to be able to work both in a barn and outdoors in a wet field or in a hard paddock. A farrier also has to be able to work in below zero weather and has to be able to work in burning hot weather. You will have to be patient, shoeing a horse may take a while! Some barns may have a lot of horses. You will have to be able to deal with demanding customers. You will have to be counted on by customers and have a honorable reputation. 

A large barn may have a full-time farrier, otherwise you will travel from barn to barn and take care of a lot of customers (and horses). 

Go to your local library and find some books about farriers. 

Horse training
You will need to have experience with horses to be a trainer. You'll also need a good reputation. A trainer has to be patient, training a horse can take a long time. You should take classes or learn from an established trainer. As a trainer, you'll have to be confident in training the horse. You can't be afraid to train the horse, you have to be ready for a spook or anything else a horse may do. A young horse has to learn to trust you. Trainers need to go to clinics to keep their horse training skills current. You can learn business management skills, equine health, judging skills, massaging for the horses, and how to trailer horses. A trainer needs to gain as much experience at possible, develop a reputation of honesty, be a good business person, and do good work.

Here are some useful links:

Equine Jobs

American Farriers Association

About Guide to Horses