They will continue to give her offerings even if they are keeping some for the group, to try and lure her in close. Not for any dangerous reasons. When she decides to stop and allow them an option for a question, Istredd will ask her if the mushrooms and plants in this place are safe for everyone to eat. And if there are locations she'd recommend scavaging for the ones that are. He is a quiet and gentle person so not intimidating at all.