Goblin : (in folklore and fantasy fiction) a mischievous, ugly creature resembling a dwarf.
Angel : a spiritual being believed to act as an attendant, agent, or messenger of God, conventionally represented in human form with wings and a long robe.
Hermit : a person living in solitude as a religious discipline.
Traveller : a person who is travelling or who often travels.
Pilot : a person who operates the flying controls of an aircraft.
Antonym of Goblin is Angel