he was fighting the undeads off with his stake, as he felt your hand on his shoulder, he made a noise "eek" with a flinch, as he pulled out his crucifix afront of you, after 5 seconds, he realized it's just you, he spoke

" o-oh...i-it's just you..!, you sca-scared me... " " and I'm s-sorry that I'm stuttering....I'm very nervous... " he said, nervously, shy.