Kinda hope you’re joking with the….
Earth Elemental should be used on most mobs/bosses (essentially be on cooldown). Don’t worry if the tank complains. This is a disposable aggro machine and it will save your life. Should be used at the start of a boss pull or in big trash groups. For levelling it’s good for those elites you want to put down. It’s intended to be used, use it.
So on them bosses that should be moved, which is nearly all of them. Your tank pet will screw up the fight. And when you are removed from the group for being a total newb….