If I understand the question correctly, FACTION_STANDING_LABEL_n is a 0-8 table. While the names are "Unknown" through "Exalted", the 0-8 should map to friendship levels, even if the text isn't the same. In Ve'nari's case, there should be 9 (0-8) friendship levels, just as Chromie or Jogu the Drunk.
If you want the correct text, because "Unknown" through "Exalted" aren't applicable, you'll need the seventh return of GetFriendShipLevel().
AFAIK, all "friends" have the same 9 faction levels to be compatible with FACTION_STANDING_LABEL_n.
You can also look into
https://wowpedia.fandom.com/wiki/API...eputationRanks