If that's the case, she must not be working for the absolute, as the Absolute followers were trying to kill the survivors of the ship.

I guess there's two groups of tadpole-infected:

1) The absolute followers
2) the people on the mindflayer ship

I wonder where the elf woman took the other survivors? It can't be Moonrise Towers, as that's where the rest of the Absolute people are holed up.