My uncle is a butcher and cuts meat at work
he slaughters animals?
He cuts the meat into cooking sized portions
thats cool.. i like seeing them prepare standard cuts of meta and poultry  
Yes being a butcher is a decent paying job with benefits
Butcher
A butcher is a person who may slaughter animals, dress their flesh, sell their meat, or participate within any combination of these three tasks. They may prepare standard cuts of meat and poultry for sale in retail or wholesale food establishments. A butcher may be employed by supermarkets, grocery stores, butcher shops and fish markets, slaughter houses, or may be self-employed.
Butchery is an ancient trade, whose duties may date back to the domestication of livestock; its practitioners formed guilds in England as
retailers still use the term butcher for their meat department operatives
Overview.
A meat cutter is responsible to prepare standard cuts of meat (including poultry and fish) to be sold in either a self-serve or specialty counter. In the UK the term used for retail meat cutter, is still butcher. Retail meat cutters are found in a customer-oriented, retail environment. This can be anything from a small family-owned meat shop to a large international supermarket chain. Meat cutters are a registered trade.