A skinner is a person who removes the skin from animals.
A skinner might work with animals and might be good at using a knife.
Examples:
The skinner took the skin off the rabbit.
My uncle is a skinner.
The skinner is very good at his job.
The skinner has a lot of work to do today.
The skinner can take the skin off an animal in one second!
The skinner's hands are very fast.