Collector joined up with hunter to find primitive tribes (8)

I believe the answer is:

gatherer

I'm a little stuck... Click here to teach me more about this clue!

'collector' is the definition.
(I know that collector can be written as gatherer)

I don't understand the rest of the clue.

(Other definitions for gatherer that I've seen before include "One collecting eg plants for subsistence" , "Collector" .)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.