cheap, stingy, tight, penny pincher, frugal, scrooge, thrifty
You could call this person a "selfish immortal."
If someone tries to make you feel jealous.You must call that person a despo or a looser and a jerky person.
A person who answers a questionnaire is often referred to as a respondent.
A person who studies the mind is called a psychologist.
a workaholic
You call them 'The person I owe money to'
umm by phone or if the question is meant to be (waht do you call a person with a lot of money) that answer is rich
Poor
Electrician!
Debtor.
A payee.
spendthrift
a spendthrift
A borrower
smart
Cellar/seller
Busker.