An interview with Speaker 20 (pseudonym: Thomas), a 76-year-old male Iyasa speaker, about his linguistic biography, language use, repertoires, perception of Iyasa's vitality, and thoughts on the linguistic ecology around Campo Sub-Division; also discussion of young people's way of speaking Iyasa Region: Campo Sub-Division, South Region, Cameroon; recording made in Mbendji, in speaker's home AKB1-029.wav