Starts telling us Eliot is first Rwanda tribesman (5)

I believe the answer is:

tutsi

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

'rwanda tribesman' is the definition.
'tutsi' can be an answer for 'tribesman' (I've seen this before). I am not sure about the 'rwanda' bit.

'starts telling us eliot is first' is the wordplay.
'starts' says to take the initial letters.
'eliot' becomes 'ts' (TS Eliot).
'is first' becomes 'i' (I in Roman numerals eg Elizabeth I).
The initial letters of 'telling us' is 'tu'.
'tu'+'ts'+'i'='TUTSI'

Can you help me to learn more?

(Other definitions for tutsi that I've seen before include "Ethnic group of Rwanda and Burundi" , "Rwanda tribe member" , "Member of a Bantu people of Rwanda and Burundi" , "Rwandan Bantu" , "Bantu speaking people of Rwanda and Burundi" .)

I've seen this clue in the Sydney Morning Herald.

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