The Great White Throne Judgment

“Sir, is it alright to ask a question? I just want to clarify something,” Nathan Ong asked the American missionary who had been conducting the Bible Study series on End-Time Prophecy.
“Yes, Nathan. What’s your question?” Reverend Hutcheson asked the newcomer.
“Sir, isn’t it true that a person who rejects the Lord Jesus Christ as his God, Savior, and Lord, goes to Hell right after he dies. Why is it that he will still be judged at the Great White Throne Judgment? Do the inhabitants of Hell still have a chance to go to Heaven after the Great White Throne Judgment?” Nathan asked the missionary.