, in relation to a member of the Defence Force, means any person who, in the opinion of the trustees of any fund, has or had such relationship to, or dependence upon, the member of the Defence Force as to justify the receipt by that person of benefit from that fund.

means any fund established under this Act.

means a person who is, or was, prior to his discharge or death:

, in relation to any fund, means the trustees for the time being of that fund.