What Am I Riddles

Question: I like to twirl my body but keep my head up high.when I go in everything becomes tight. What am I?

Question: Permanent feature and teacher, unless it results in you being buried by the preacher - what is it?

Question: Not only a seat, it’s also a head - what is it?

Question: Instruction manual, to and fro, if it’s wrong you'll still go - what is it?

Question: Although I am still, in families, I run. I continue to live on in a living one. As one continues to draw breath, I will not rust. However, when one stops drawing breath, I will become mere dust. What am I?