I can't get a character reference. Any idea's?

[Anthony]

Hi, I have recently found employment with virgin media but before I can actually start I was told by my boss that I need a character reference. any clue who i can use for this Character Reference Criteria
 Person must have been known to you for at least 3 years
 Person must be employed in or retired from a professional occupation (please see
list below)
 Person must not be a family member or live at the same address
Accountant
Articled Clerk of a Limited Company
Assurance Agent of Recognised Company
Bank/Building Society Official
Barrister
Broker
Chairman/Director of Limited Company
Chemist
Chiropodist
Christian Science Practitioner
Commissioner of Oaths
Councillor: Local or County
Civil Servant (permanent)
Dentist
Engineer (with professional Qualifications)
Fire Service Official
Funeral Director
Insurance agent (full time) of a recognised Company
Journalist
Justice of the Peace
Legal Secretary (members and fellows of the Institute of legal secretaries)
Local Government Officer
Manager/Personnel Officer (of Limited Company)
Member of Parliament
Merchant Navy Officer
Minister of a recognised religion
Nurse (SRN and SEN)
Officer of the armed services (Active or Retired)
Optician
Person with Honours (e.g. OBE MBE etc)
Person with a recognised post graduate qualification e.g. PhD, MA, Masters
Photographer (Professional)
Police Officer
Post Office Official
President/Secretary of a recognised organisation
Salvation Army Officer
Social Worker
Solicitor
Surveyor
Teacher, Lecturer
Trade Union Officer
Travel Agency (Qualified)
Valuers and auctioneers (fellow and associate members of the incorporated society)
Warrant officers and Chief Petty Officers

now i dont know any one who knows me that well to do it i have tried school tried college but i was there 2 years ago and wont work my friends mum is a teaching assistant and they told me she is not a teacher so no so they are very strict with who you have and i cant get anyone to do it is there any way round this problem and will this stop me from getting the job?
the doctor wont do it and dentist i have moved to was a year ago. I don't have anyone who fits the criteria that know me that well i have people that are very close but they wont have them
i have friends in the army but the right rank and no one that fits im only 18 and most of my friends are my age and mum/dads don't fit the criteria teacher is up there but they wont allow teaching assistant