Since neither of them have attacked one another, not yet at any rate, he comes closer to indulge his own curiosity. At this distance, his own starvation-brought thinness should be clear with how gaunt his face is, eyes too large and hollow in their sockets, and it's easier to see the thing twisting scars like vines which sweep down from his eyes to his cheekbones and up into his hairline.

An appearance like that might be laughable depending on the god, but 'ghost' is a descriptor even he wouldn't argue with even if he could.

At the question, he shakes his head and reaches up to cross a finger over his throat. No voice. At a guess, however, he has energy form a symbol floating in the air: Ψ . No guarantee this alien will know what it means, but worth a shot.