A person who buys and kills horses that are no longer fit for work and sells various parts of them.

收购废马将之屠宰的人。

A person who buys and breaks up old buildings, ships, etc. in order to sell the material in them that are still of use.

为了仍有用之材料而购买废船，旧屋并将之拆掉的人；废船(旧屋等)解体业者。