After a Tourette syndrome advocate shouted the N-word at “Sinners” actors Delroy Lindo and Michael B. Jordan during Sunday’s BAFTA Awards, Lindo says organizers of the event had yet to reach out about the incident. John Davidson, the inspiration for the BAFTA-nominated biopic “I Swear,” disrupted the ceremony with several involuntary outbursts of expletives and slurs, a symptom of the nervous system disorder.