apprehensive, fearful, afeared, panicky, fear, aghast, afraid, funky, ascared, fearsome.
He was afeard
to put a ball in it lest I should be killin' one of themselves.
Don't you be afeard,
She stared on us, and seemed half afeard
of us at first, but asked us what we were, and I answered that we were the Gift.