Answer:
u always follow me but I am rarely seen
I make a living following the wealthy and beautiful.
What word when read from left to right is a ruler, but when read from right to left is a servant?
I look at you you look at me I raise my right you raise your left.
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.