This tutorial addresses the Taming the Beast quest chain from the point just ahead of Thotar provides you with a taming Rod to get a Dire Mottled Boar in Razor Hill. Thotar will give you a number of 3 taming rods, each is different and lets you tame beasts in the following order: Dire Mottled Boar, Surf Crawler and eventually an Armored Scorpid.

After getting finished the taming Element of The hunt chain, you must head to Orgrimmar and speak to Ormak Grimshot during the Valley of Honor in an effort to unlock your companion pet handling skills: Tame Beast; Feed Pet; Revive Pet; and Beast Training.

At last, don't forget to go to the Pet Trainer and get the Pet abilities that you need to More Bonuses give to your companion pet.