What does the cryptic crossword clue "Ally I'd so misrepresented as untrustworthy (8)" mean?

The wordplay uses an anagram. anagram of ALLY + I'D + SO = DISLOYAL The answer is DISLOYAL.

Ally I'd so misrepresented as untrustworthy (8)

Daily Mail Cryptic #17223 | 11 Across | 2023-11-07 flower