Pessimist – always looks on the negative side

Optometrist – eye doctor

Pessimist:

A person who habitually sees or anticipates the worst or is disposed to be gloomy.

Condescending:

Displaying a patronizingly superior attitude

Presumptuous:

Over-bold in behavior, especially towards others; insolent or arrogant.

Materialistic:

The theory or attitude that physical well-being and worldly possessions constitute the greatest good and highest value in life.

Hypocrite:

A person who puts on a false appearance of virtue or religion,

a person who acts in contradiction to his or her stated beliefs or feelings.

Gossiper:

A person who habitually spreads intimate or private rumors or facts.

Instigator:

Start trouble: To cause trouble, especially by urging somebody to do something destructive or wrong.

Procrastinator:

To put off doing something that should be done straight away, especially habitually or to an unspecified time.

naysayer

gloomy Gus

cynic

wet blanket

skeptic

People who are mean with money can be called miserly or even ‘scrooges’ from ‘A Christmas Carol’ character.

There are so many

Try a dictionary and a thesaurus

person who is positive – optimist