They said: "We were oppressed before you came to us and after you have come to us. He said: "Perhaps, your Lord may wipe out your enemy and make you vicegerents on the earth, then He will see how you are acting".
The one who transforms his Jinn soulmate into a believer and keeps Lord in his heart can only die as a true Muslim who submits wholly to the Lord as explained in verses 3: 101-102. The Fujjar who didn't testify Adhikr as the Guidance, Mercy, and Herald even though they call themselves Muslims will die by witnessing against their soul that indeed they were disbelievers as explained in verse 7: 37. And they will have disgrace in this world and severe punishment in the Hereafter as explained in verses 2: 85 and 5: 33.
See explanation 2: 152; 6: 65- 66, 89-90, and 9: 67-68.