The most common and most likely answer to this crossword clue is the 5 letter word XHOSA
X
H
O
S
A
More clues leading to the result XHOSA
- African's vote — I'm surprised about it
- Butcher has ox tongue
- Cross book’s dispensing with English language
- Vote backing a dominant African
- Times has changed welcoming love for language
- Tongue with hot kiss rolling around, love it!
- African has ox butchered
- With damaged sax outside Head Office, a South African clicks in this
- Tribe has ox cooked
Buddy explains!

The straight part
We know that "Tribe" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tribe = xhosa.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.