Scrapper

Noun

1. A person who disposes of scraps, such as one who collects scrap metal to sell to a scrap dealer.

   "After the uncle died they sold off most of his rustbuckets to a scrapper and kept one to fix up."

2. A person who fights doggedly, who exhibits indomitable will.

   "He's a real scrapper, even against impossible odds, he always keeps fighting."