Trevor has also devoted much time to the ASHA Foundation, which works to improve the quality of life of children and adults in India suffering from cerebral palsy; he was particularly involved with its proposal to build a community centre in London for the major world religions.
He has also been President of the Sutton, Cheam and Worcester Park Branch of the Royal National Lifeboat Institution since 1980.
He has been awarded the Silver Medal by the RNLI for his work with the Sutton, Cheam and Worcester Park Branch of which he has been President since 1980.
He founded the Shopmobility scheme for disabled persons in Jersey which now operates from the Sand Street car park and serves both Islanders and visitors.
In an interview on BBC Jersey broadcast on 30 November, Trevor was unapologetic, describing ACET as a "so-called charity" and stating that in the Western world "most AIDS sufferers are responsible for their own condition".