Theoretically, the Nele's migration had nothing to do with the Niqols. Those species shared no enmity or friendship, so the Niqols would have no reason to interfere with that mission. If anything, they would relate to the Nele's tragic situation and make it easier for them.
Khan's involvement with the Nele wouldn't change that truth, either. The Niqols were dutiful when it came to their species but not cruel. They wouldn't use the Nele to get back at Khan, especially if they learned about their history and revolutionary development.
Yet, Khan wanted to place Ilman in charge of the Nele's escort, and that mission was bound to last for a while. Khan wouldn't even be there to deal with unexpected problems during that period, so he needed Ilman's strength to ensure its success.
