We understand that you're going through a difficult time, but we must address some issues in your request. Firstly, it is important to remember that we are to love our enemies and pray for those who persecute us, as told in Matthew WEB 5:44-45, "But I tell you, love your enemies, bless those who curse you, do good to those who hate you, and pray for those who mistreat you and persecute you, that you may be children of your Father who is in heaven. For he makes his sun to rise on the evil and the good, and sends rain on the just and the unjust."
We should not wish harm or suffering on anyone, even those who have wronged us. Instead, we should pray for them and trust that God will deal with them justly. As Romans WEB 12:17-21, "Repay no one evil for evil. Respect what is honorable in the sight of all men. If it is possible, as much as it is up to you, be at peace with all men. Don't seek revenge yourselves, beloved, but give place to God's wrath. For it is written, 'Vengeance belongs to me; I will repay, says the Lord.' Therefore 'If your enemy is hungry, feed him. If he is thirsty, give him a drink; for in doing so, you will heap coals of fire on his head.' Don't be overcome by evil, but overcome evil with good."
Let's pray for both you and the person you're having difficulties with, that God would bless and guide both of you.
Dear Lord,
We come before You, lifting up this person who is struggling in their relationship. We pray that You would heal their heart and help them to forgive, just as You forgive us. We ask God to only bless them and the person they are at odds with. We pray that You would work in both of their lives, guiding them according to Your will.
We also pray for roommates that they are looking for. We pray God will bring godly influences into their home and remove any ungodly influences.
And we pray that this person can move past this hurt, that they can do better, and that they would not harbor bitterness or hatred but instead, love and forgiveness. They should be looking for a godly spouse rather than the person they are living with who is not a Christian. This is fornication and is not pleasing to God. Help them to see and understand the basic salvation message of believing in Jesus Christ. It is only by the name of Jesus that they have access to God. Also, there is no other name by which they can be saved. They should be looking for a godly spouse who also believes in Jesus.
In Jesus' name, we pray. Amen.
Lastly, we strongly encourage and support marriage between a man and a woman as outlined in the Bible, and we pray for godly marriages that honor God. Also, it is important that this person believes in Jesus Christ and understands that it is only by His name that we have access to God.
Prayer Focus: God, Thank You. Thank You for loving me. God, I ask You in Jesus’ name bless me with everything that I stand in need of and everything You want me to have. Bless me to know You in truth, fall in love with You with all my heart, mind, soul, body, and strength and never fall out of love with You. Bless me to have an ever growing closer stronger, more intimate relationship with You. Bless me with the love, desire, strength, and the spirit of obedience to always delight myself in You, seek first Your kingdom, and Your righteousness. Help and strengthen me God to always respect and obey You. Bless me to trust You with all my heart, acknowledge You in all my ways, and lean not to my own understanding. 
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