This has been going on for at least 5 years, maybe up to 8 years.
Yes he is still using this 'employer' as the main source of work and income. Money is paid in cash and/or paid into a bank account directly from either the 'employer' (a private builder/company), or the 'client' who does on occasion pay money into the bank account.
He has no real assets such as house owner, etc,... never been in the system properly it appears since doing this building labouring work.
He is about 37 I think. He also has trouble reading/writing,...etc