Freeloader

Tom is nothing but a freeloader.

A poor student who wants to be able to attend college without getting into debt is called a freeloader who wants to sponge off taxpayers. A rich student who can attend college without getting into debt because they happen to have won the birth lottery is called "from a good family".

Yanni is a freeloader.

You're such a freeloader! You're always taking candy from me but you never give me any.

Tom is a freeloader.

Guiltware is a piece of freeware decorated with a message telling one how long and hard the author worked on it and intimating that one is a no-good freeloader if one does not immediately send the poor suffering martyr gobs of money.