This can mean anyone who (in the Trustees' opinion) wholly or partly depends on you either for financial reasons, or because of a permanent disability.
This is the general rise in prices, normally measured by the 'Retail Prices Index' – a figure taken from measuring how costs increase across a range of goods and services.
Normal retirement age
This is age 65 for men and women.
Unilever is the Unilever Group company that employs you and has agreed to take part in the Unilever UK Pension Fund. But, in some places in this website it means Unilever PLC.