Answer:
I am quick when Iām thin. I am slow when Iām fat. Wind is my worst nightmare.
I am an activity involving pins flying in the air.
First I may be your servant's name; then your desires I may proclaim; And when your mortal life is over hold all your wealth within my power.
A thousand wheels but move I do not. Call me what I am call me a lot.
What breaks when you say its name?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.