TIL when applying for a British passport online, your identity has to be confirmed by someone who is not a relative, knows you for two years, and has to be from a specific (weird) list of professions.

accountant
airline pilot
articled clerk of a limited company
assurance agent of a recognised company
bank or building society official
barrister
chairman or director of a limited company
chiropodist
commissioner for oaths
councillor - local or county
civil servant - permanent
dentist
director, manager or personnel officer of a VAT-registered company
engineer with professional qualifications
financial services intermediary, for example a stockbroker or insurance broker
fire service official
funeral director
insurance agent of a recognised company - full time
journalist
Justice of the Peace
legal secretary - fellow or associate member of the Institute of Legal Secretaries and PAs
licensee of a public house
local government officer
manager or personnel officer of a limited company
member, associate or fellow of a professional body
Member of Parliament
Merchant Navy Officer
minister of a recognised religion including Christian Science
nurse - registered
officer of the armed services
optician
paralegal - certified, qualified or associate member of the Institute of Paralegals
person with honours - OBE or MBE
pharmacist
photographer - professional
police officer
Post Office official
president or secretary of a recognised organisation
Salvation Army Officer
social worker
solicitor
surveyor
teacher or lecturer
trade union officer
travel agent - qualified
valuer or auctioneer - fellow or associate member of the incorporated society
Warrant Officer or Chief Petty Officer