Based on the events and reactions cabeza de vaca describes, what appears to be the karankawas view of the spaniards

They however of them as lower than them and that they had a kind of control over them since they gave the nourishment to them. This is demonstrated when the Karankawas constrained the Spaniards to end up healers by withholding sustenance from them. After that, however, the Indians started demonstrating appreciation towards them by denying themselves of nourishment to give the Spaniards and gave them skins as a byproduct of their mending strategies. Thus, you realize that along with these lines, the perceived the significance of the Spaniards to their kin.