rooter

noun

1. One who, or that which, roots; one that tears up by the roots.
2. A type of heavy machinery similar to a plow for breaking up soil, concrete, asphalt, etc.
3. A blade for producing a narrow groove in a piece of wood.
4. A device for boring a pathway through a blocked drain or sewer.
5. One who roots or rummages through something.
6. A type of malware that obtains and runs using privileged access, bypassing normal security systems.
7. One who holds a primary or founding position in an enterprise.
8. A plant, viewed in terms of how it establishes its roots.
9. One who roots for, or applauds, something.