As requested by you on [date a], I hereby confirm to borrow you, [Helper's full name, HKID#xxx], HK$8,000 on [date b]. Please refer to the cheque enclosed.
Regarding the repayment for this loan, as you suggested, you would repay me $1,000 every month end starting from the coming salary payout for 8 consecutive months.
Yours sincerely,
[Your signature]
[Your full name]
Employer of [your helper's full name]
[Date b]
Acknowledged by:
[Your helper's signature]
[Your helper's full name + HKID#]
[Date b]