I'm still waiting for someone, though I don't know him as anyone else.
ผลลัพธ์ (ภาษาอังกฤษ) 2: I'm still waiting for some people, although I do not know who they are. ผลลัพธ์ (ภาษาอังกฤษ) 3: I'm waiting for someone, even though I don't know who he is.