wrecker

noun

1. (Australia)A person or company that dismantles old or wrecked vehicles or other items, to reclaim useful parts.

   “Near-synonyms: breaker, knacker; salvager, salvor; scrapper, scrap dealer; shipbreaker, car breaker”

2. One who breaks up situations or events.

   “home wrecker / marriage wrecker / party wrecker”

3. A tow truck.
4. A mooncusser (type of land-based pirate).
5. (historical)Someone accused of the formal charge of wrecking; that is, of undermining the state in intangible ways.