What does the cryptic crossword clue "Indian beggar had us at sixes and sevens (5)" mean?

The definition is "Indian beggar". The wordplay uses an anagram. anagram of HAD (synonym="HAD") + US (synonym="US") = SADHU The answer is SADHU.

Indian beggar had us at sixes and sevens (5)

Independent Cryptic #11659 | 18 Across | 2024-02-22 flower