If Squat is the King of all exercises, Deadlift is queen. All you have to do is lift the dead weight. That is why it is called Deadlift.
Squatting is the No. 1 exercise out of the BIG 5 Exercises. Squat is not just a leg exercise. It works for your back and abs as well.
You are not losing weight because you are either eating more. Or you are not Exercising enough. i.e Your Energy In is greater than your Energy Out.