Harry Kim is a fictional male Human in the Star Trek - Voyager series. The character was portrayed on screen by Garrett Wang. His allegiance / loyalty is to The USS Voyager. Harry Kim looks up to Tom Paris as a friend and someone who can advise him on the technicalities of love. In the first episode, he upsets Quark onboard the Deep Space Nine, he had to be rescued by Tom Paris.
An alien race make Harry Kim believe he is their Favorite Son and that he has come home. The truth is that he's not from their world and is indeed from Earth. The alien were acting like more day Psirens, creatures from Ancient Grecian stories which would lure sailors to their deaths.