@Martha Muniz is correct with everything she mentioned in her critique, I just wanted to add some things for you to think about. We do turn arounds in animation all the time, and the thing you have to do is makes sure your character looks the same in every view. You will notice that your character has a different face in every turn, and as Martha said, you need consistency in your shapes from drawing to drawing. All the shapes and volumes have to work or they will look like different people. I did a quick and dirty line up to show you how I would do it. These can be very hard so keep practicing :)

I like the character design! The posture and shape design alone tell a lot about their personality and place in life. I added some notes to help with the consistency of the turnaround: