To understand toxic churches and toxic leaders, check these out.
When Narcissism Comes to Church: Healing Your Community From Emotional and Spiritual Abuse, by Chuck DeGroat.
The Way of the Dragon or the Way of the Lamb: Searching for Jesus’ Path of Power in a Church that Has Abandoned It, by Jamin Goggin and Kyle Strobel.
The Entitlement Cure: Finding Success at Work and in Relationships in a Shortcut World, by John Townsend.
I have a PhD scholar-friend who lived in Africa and studied toxic leaders. He recommended this to me.
The Allure of Toxic Leaders: Why We Follow Destructive Bosses and Corrupt Politicians--and How We Can Survive Them, by Jean Lipman-Blumen.
How toxic can a leader be? Read this. The Fear: Robert Mugabe and the Martyrdom of Zimbabwe, by Peter Godwin.
Here are two books by Peter Scazzaro that are good.