A person who studies random things? [closed]

What is the title of a person that studies random stuff? or a bit of everything?

For example,

A geologist studies the earth.

A _____ studies random stuff.

Solution 1:

Originally coined to describe one who took a superficial, rather than serious, interest in the arts, a dilettante now connotes someone who takes a light interest in many diverse fields, and a deep interest in none; a dilettante is a dabbler.

Solution 2:

An eclectic:

noun

A person who derives ideas, style, or taste from a broad and diverse range of sources.

ODO

Solution 3:

A polymath:

A person of great or varied learning; a person acquainted with many fields of study; an accomplished scholar. [OED]

From Greek πολυμαθής, “having learnt or knowing much.”

Solution 4:

Another choice :

Renaissance man

"a man of any period who has a broad range of intellectual interests"