Our Lord Jesus Christ:
Do not abandon Thy servants who live far away from the Church. May Thy love convict them and bring them back to Thee.
Lord have mercy on Thy servants who are suffering from cancer.
Lord have mercy on Thy servants who suffer either from small or serious ailments.
Lord have mercy on Thy servants who suffer from physical infirmities.
Lord have mercy on Thy servants who suffer from spiritual infirmities.
Lord have mercy on our leaders and inspire them to govern with Christian love.
Lord have mercy on children who come from troubled homes.
Lord have mercy on troubled families and those who have been divorced.
Lord have mercy on all the orphans of the world, on all those who are suffering pain and injustices since losing their spouses.
Lord have mercy on all those in jail, on all anarchists, on all drug abusers, on all murderers, on all abusers of people, and on all thieves. Enlighten these people and help them to straighten out their lives.
Lord have mercy on all those who have been forced to emigrate.
Lord have mercy on all those who travel on the seas, on land, in the air, and protect them.
Lord have mercy on our Church, the bishops, the priests and the faithful of the Church.
Lord have mercy on all the monastic communities, male and female, the elders and eldresses and all the brotherhoods of Mt. Athos.
Lord have mercy on Thy servants who find themselves in the midst of war.
Lord have mercy on Thy servants who are being pursued in the mountains and on the plains.
Lord have mercy on Thy servants who are being hunted like birds of prey.
Lord have mercy on Thy servants who were forced to abandon their homes and their jobs and feel afflicted.
Lord have mercy on the poor, the homeless and the exiled.
Lord have mercy on the nations of the world. Keep them in Thy embrace and envelope them with Thy holy protection. Keep them safe from every evil and war. Keep our beloved homelands in Thy protective embrace day and night. Embrace her with Thy holy protection defending her from all evil and war.
Lord have mercy on those who have been abandoned and have suffered injustice. Have mercy on families that are going through trying times. Pour Thy abundant love upon them.
Lord have mercy on Thy servants who suffer from spiritual and bodily problems of all kinds.
Lord have mercy on those who are despairing. Help them and grant them peace.
Lord have mercy on those that have requested that we pray for them.
Lord grant eternal rest to all those who have passed on to eternal life throughout the ages.
This prayer of his was given to a convent which had asked the Elder for a prayer rule that could be used by the nuns in their evening vigils. This directive was given to the nuns during the final years of his life. It would be correct to add intentions as your heart directs, and to say this prayer as part of your daily rule.
https://www.orthodox.net//trebnic/of-elder-paisios-for-the-whole-world.doc
https://www.orthodox.net//trebnic/of-elder-paisios-for-the-whole-world.pdf
https://www.orthodox.net//trebnic/of-elder-paisios-for-the-whole-world.html
Another Comprehensive Prayer, like this one, fashioned after the Prayer of St Silouan (I pray Thee, O Merciful Lord, for all the peoples of the world, that they may come to know Thee by the Holy Spirit:)
Lots of other prayers (Akathists, canons, ectenias, prayers of saints, for the sick, etc) at https://www.orthodox.net//trebnic