Brutal invader one cultivating land they say (6)

I believe the answer is:

attila

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'brutal invader' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

(Other definitions for attila that I've seen before include "Fifth century king of the Huns" , "Fifth-century king of the Huns" , "Great king of the huns" , "conquered Europe" , "Warrior" .)

I've seen this clue in The Sun.

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