This lay person as well as others that I know will get up, if necessary in the middle of the sermon, and head for the door when the preacher starts yelling. It's totally uncalled for. Passion is o.k., even with a somewhat raised voice. Yelling is not. It's rude. When a preacher yells, the content is lost.

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Mary Vanderkooi
Kale Heywott Church (KHC)
Soddo, Ethiopia