What does the cryptic crossword clue "People in south taken in by foolish hoax (5)" mean?

The wordplay uses an anagram. anagram of HOAX (synonym="foolish") + S (synonym="abbrev. for “south”") = XHOSA The answer is XHOSA.

People in south taken in by foolish hoax (5)

Guardian Cryptic #29618 | 2 Down | 2025-02-14 flower