Being a robber I do act badly (6)

I believe the answer is:

dacoit

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'being' is the definition.
(dacoit is a kind of being)

'a robber i do act badly' is the wordplay.
'i do act' anagrams to 'DACOIT'.
But, I am unsure how this is indicated.

Can you help me to learn more?

(Another definition for dacoit that I've seen is " Indian robber?".)

I've seen this clue in The Globe and Mail.

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