Bodyguard

About the
 The bodyguard has vowed to protect and guard you. He will stay loyal and protect you!  Give him equipment to make him stronger!

Is the  useful?
For a starter this would be a good troop to go for 50 of them. They will give you a nice amount of defense power, since you just begun playing the game. So I would say it is a useful troop.

Tips using the
Equip him with weapons and upgrade him to start of with and go for 50 of him if you are new to the game.