A Massachusetts family set off on what they described as “the trip of a lifetime”—a three-month vacation to Fiji. But the dream getaway to the South Pacific quickly turned into a medical emergency after the family’s father was bitten by what they believe was an insect native to the area. Now, his loved ones say he urgently needs a medical evacuation back to the United States, a flight that could cost as much as $250,000. According to People, Hol…